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  <id>https://vulnerability.circl.lu/sightings/feed</id>
  <title>Most recent sightings.</title>
  <updated>2026-09-17T08:48:43.338768+00:00</updated>
  <author>
    <name>Vulnerability-Lookup</name>
    <email>info@circl.lu</email>
  </author>
  <link href="https://vulnerability.circl.lu" rel="alternate"/>
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  <subtitle>Contains only the most 10 recent sightings.</subtitle>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/e98e8b96-898a-4b0b-a55f-950d18780d9f/export</id>
    <title>e98e8b96-898a-4b0b-a55f-950d18780d9f</title>
    <updated>2026-09-17T08:48:43.353617+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "e98e8b96-898a-4b0b-a55f-950d18780d9f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1167", "type": "published-proof-of-concept", "source": "https://t.me/cissp/2081", "content": "Analyzing a buffer overflow in the DLINK DIR-645 with Qiling (PoC)\nPart 1:\nhttps://github.com/nahueldsanchez/blogpost_qiling_dlink_1\nPart 2:\nhttps://github.com/nahueldsanchez/blogpost_qiling_dlink_2\n\n1. macOS Post-Exploitation Shenanigans with VSCode Extensions\nhttps://www.mdsec.co.uk/2021/01/macos-post-exploitation-shenanigans-with-vscode-extensions\n\n2. jQuery XSS Examples (CVE-2020-11022, CVE-2020-11023)\nhttps://snyk.io/vuln/SNYK-JS-JQUERY-565129\nPoCs:\nhttps://vulnerabledoma.in/jquery_htmlPrefilter_xss.html\n\nThreat Group Cards\nA Threat Actor Encyclopedia\nhttps://apt.thaicert.or.th/cgi-bin/listgroups.cgi\n\n\"Hunting for Bugs in Windows Mini-Filter Drivers\", 2021.\n// mini-filter drivers are an under-appreciated source of privilege escalation bugs on Windows\nhttps://googleprojectzero.blogspot.com/2021/01/hunting-for-bugs-in-windows-mini-filter.html?m=1\n\nCVE-2021-1167:\nCisco Router RV110W (ver.1-2-1-7) - 'vpn_account' DoS (PoC)\nhttps://packetstormsecurity.com/files/160953/ciscorv110w1217-dos.txt\n\n1. Going Rogue - a Mastermind behind Android Malware Returns with a New RAT\nhttps://research.checkpoint.com/2021/going-rogue-a-mastermind-behind-android-malware-returns-with-a-new-rat\n\n2. Higaisa or Winnti? APT41 backdoors, old and new\nhttps://www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/higaisa-or-winnti-apt-41-backdoors-old-and-new\n\n3. Dynamically analyzing a heavily obfuscated Excel 4 macro malicious file\nhttps://isc.sans.edu/forums/diary/Dynamically+analyzing+a+heavily+obfuscated+Excel+4+macro+malicious+file/26986", "creation_timestamp": "2026-09-12T00:00:29.542836Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/e98e8b96-898a-4b0b-a55f-950d18780d9f/export"/>
    <published>2026-09-12T00:00:29.542836+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/e7033b79-00f7-49d7-8af7-dfccb6deda56/export</id>
    <title>e7033b79-00f7-49d7-8af7-dfccb6deda56</title>
    <updated>2026-09-17T08:48:43.357036+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "e7033b79-00f7-49d7-8af7-dfccb6deda56", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1167", "type": "published-proof-of-concept", "source": "https://t.me/cissp/2081", "content": "Analyzing a buffer overflow in the DLINK DIR-645 with Qiling (PoC)\nPart 1:\nhttps://github.com/nahueldsanchez/blogpost_qiling_dlink_1\nPart 2:\nhttps://github.com/nahueldsanchez/blogpost_qiling_dlink_2\n\n1. macOS Post-Exploitation Shenanigans with VSCode Extensions\nhttps://www.mdsec.co.uk/2021/01/macos-post-exploitation-shenanigans-with-vscode-extensions\n\n2. jQuery XSS Examples (CVE-2020-11022, CVE-2020-11023)\nhttps://snyk.io/vuln/SNYK-JS-JQUERY-565129\nPoCs:\nhttps://vulnerabledoma.in/jquery_htmlPrefilter_xss.html\n\nThreat Group Cards\nA Threat Actor Encyclopedia\nhttps://apt.thaicert.or.th/cgi-bin/listgroups.cgi\n\n\"Hunting for Bugs in Windows Mini-Filter Drivers\", 2021.\n// mini-filter drivers are an under-appreciated source of privilege escalation bugs on Windows\nhttps://googleprojectzero.blogspot.com/2021/01/hunting-for-bugs-in-windows-mini-filter.html?m=1\n\nCVE-2021-1167:\nCisco Router RV110W (ver.1-2-1-7) - 'vpn_account' DoS (PoC)\nhttps://packetstormsecurity.com/files/160953/ciscorv110w1217-dos.txt\n\n1. Going Rogue - a Mastermind behind Android Malware Returns with a New RAT\nhttps://research.checkpoint.com/2021/going-rogue-a-mastermind-behind-android-malware-returns-with-a-new-rat\n\n2. Higaisa or Winnti? APT41 backdoors, old and new\nhttps://www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/higaisa-or-winnti-apt-41-backdoors-old-and-new\n\n3. Dynamically analyzing a heavily obfuscated Excel 4 macro malicious file\nhttps://isc.sans.edu/forums/diary/Dynamically+analyzing+a+heavily+obfuscated+Excel+4+macro+malicious+file/26986", "creation_timestamp": "2026-09-11T21:00:04.980662Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/e7033b79-00f7-49d7-8af7-dfccb6deda56/export"/>
    <published>2026-09-11T21:00:04.980662+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/3e21368d-5269-4473-9577-6efdc52a782c/export</id>
    <title>3e21368d-5269-4473-9577-6efdc52a782c</title>
    <updated>2026-09-17T08:48:43.357260+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "3e21368d-5269-4473-9577-6efdc52a782c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1134", "type": "seen", "source": "https://t.me/hacking_Attack/13350", "content": ".\n\nThe issue tracked as CVE-2021-1543, meanwhile, allows cross-site scripting from an unauthenticated, remote attacker (CVSS score: 6.1).\n\n\u201cThis vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected device,\u201d according to Cisco. \u201cAn attacker could exploit this vulnerability by persuading a user to click a malicious link and access a specific page. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information and redirect the user to an arbitrary page.\u201d\n\nAnd finally, CVE-2021-1571\u00a0(rating 6.1 on the CVSSscale) could allow an unauthenticated, remote attacker to conduct a HTML injection attack.\n\n\u201cThis vulnerability is due to improper checks of parameter values in affected pages,\u201d according to the advisory. \u201cAn attacker could exploit this vulnerability by persuading a user to follow a crafted link that is designed to pass HTML code into an affected parameter. A successful exploit could allow the attacker to alter the contents of a web page to redirect the user to potentially malicious websites.\u201d See Also: Jeff Moss, aka Dark Tangent, the person who founded DEF CON and Black Hat Cisco\u2019s Other High-Severity Security HolesThe other high-severity bugs that Cisco addressed on Wednesday include the certificate-validation vulnerability (CVE-2021-1566) in the Cisco Email Security Appliance (ESA) and Cisco Web Security Appliance (WSA). It exists in the way the Cisco Advanced Malware Protection (AMP) for Endpoints integrates Cisco AsyncOS. If exploited, the bug could allow an unauthenticated, remote attacker to intercept traffic between an affected device and the AMP servers. It rates 7.4 on the 10-point CVSS bug-severity scale.\n\n\u201cThis vulnerability is due to improper certificate validation when an affected device establishes TLS connections,\u201d according to the advisory. \u201cA man-in-the-middle attacker could exploit this vulnerability by sending a crafted TLS packet to an affected device. A successful exploit could allow the attacker to spoof a trusted host and then extract sensitive information or alter certain API requests.\u201d\n\nThe bug (CVE-2021-1134) in the Cisco DNA Center, a network controller and management dashboard, also rates 7.4. It exists in the Cisco Identity Services Engine (ISE) integration feature of the software, and could also allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data.\n\n\u201cThe vulnerability is due to an incomplete validation of the X.509 certificate used when establishing a connection between DNA Center and an ISE server,\u201d according to the advisory. \u201cAn attacker could exploit this vulnerability by supplying a crafted certificate and could then intercept communications between the ISE and DNA Center. A successful exploit could allow the attacker to view and alter sensitive information that the ISE maintains about clients that are connected to the network.\u201d\n\nAnd finally, a vulnerability (CVE-2021-1567) in the DLL loading mechanism of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack.\n\nIt\u2019s only exploitable if the VPN Posture (HostScan) Module is installed on the AnyConnect client, and it carries a 7.0 CVSS rating. VPN Posture helps to gather information about what operating system, antivirus, antispyware and other installed software is present on remote hosts, and it performs endpoint assessment while allowing a connection to the VPN.\n\n\u201cThis vulnerability is due to a race condition in the signature verification process for DLL files that are loaded on an affected device,\u201d according to Cisco. \u201cAn attacker could exploit this vulnerability by sending a series of crafted interprocess communication (IPC) messages to the AnyConnect process. A successful exploit could allow the attacker to exe[...]\n\n___________________________ \n@hacking_Attack\n@Hacking_Video", "creation_timestamp": "2026-09-09T00:00:46.407746Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/3e21368d-5269-4473-9577-6efdc52a782c/export"/>
    <published>2026-09-09T00:00:46.407746+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/5d3571c5-67c5-42b7-af3d-8ca375b98f4a/export</id>
    <title>5d3571c5-67c5-42b7-af3d-8ca375b98f4a</title>
    <updated>2026-09-17T08:48:43.357410+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "5d3571c5-67c5-42b7-af3d-8ca375b98f4a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1134", "type": "seen", "source": "https://t.me/hacking_Attack/13348", "content": "Black Hat Ethical Hacking\nCisco Smart Switches Riddled with Severe Security Holes\n\nhttps://www.blackhatethicalhacking.com/wp-content/uploads/2017/11/black-hat-locks-and-electronics.jpg Cisco Smart Switches Riddled with Severe Security HolesPost Views: 60 \nReading Time: 1 Minute\nCisco has flagged and patched several high-severity security vulnerabilities in its Cisco Small Business 220 Series Smart Switches that could allow session hijacking, arbitrary code execution, cross-site scripting and HTML injection.\nIt also issued fixes for high-severity problems in the AnyConnect secure mobility client, the Cisco DNA Center and the Cisco Email Security Appliance, along with a slew of patches for medium-severity vulnerabilities in AnyConnect, Jabber, Meeting Server, Unified Intelligence Center and Webex.\n\nThe high-severity issues are as follows:\n\n* CVE-2021-1566:\u00a0Cisco Email Security Appliance and Cisco Web Security Appliance (Certificate-Validation Vulnerability)\n* CVE-2021-1134:\u00a0Cisco DNA Center (Certificate Validation Vulnerability)\n* CVE-2021-1541 through 1543; CVE-2021-1571:\u00a0Cisco Small Business 220 Series Smart Switches (Session Hijacking, Arbitrary Code-Execution, Cross-Site Scripting, HTML Injection)\n* CVE-2021-1567:\u00a0Cisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module (DLL Hijacking)\n\nThe most severe issue in this crop of patches is tracked as CVE-2021-1542, in the Cisco Small Business 220 Series Smart Switches. These are entry-level switches that act as the basic building blocks for small- and medium-sized business networks. They\u2019re responsible for sharing network resources and connecting various clients, including computers, printers and servers, to the network and each other, along with security, governing network performance and more.\nSee Also: RockYou2021: largest password compilation of all time leaked online \u2013 8.4 billion entries The bug rates 7.5 on the 10-point CVSS vulnerability-severity scale, and arises from weak session management for the web-based management interface of the switches. An unauthenticated, remote attacker could use it to bypass authentication protections and gain unauthorized access to the interface, according to the advisory. The attacker could then obtain the privileges of the highjacked session account, which could include administrative privileges, and thus gain free rein on the switch.\n\n\u201cThis vulnerability is due to the use of weak session management for session identifier values,\u201d according to Cisco. \u201cAn attacker could exploit this vulnerability by using reconnaissance methods to determine how to craft a valid session identifier. A successful exploit could allow the attacker [to] take actions within the management interface with privileges up to the level of the administrative user.\u201d Multiple Patches for Smart SwitchesThere are also multiple other security flaws in the same web-management interface. For instance, the bug tracked as CVE-2021-1541\u00a0is an arbitrary code-execution vulnerability that would allow an authenticated, remote attacker to execute arbitrary commands as a root user on the underlying operating system.\n\n\u201cThis vulnerability is due to a lack of parameter validation for TFTP configuration parameters,\u201d according to Cisco. \u201cAn attacker could exploit this vulnerability by entering crafted input for specific TFTP configuration parameters. A successful exploit could allow the attacker to execute arbitrary commands as a root user on the underlying operating system.\u201d\nSee Also: Offensive Security Tool: CloudFail The attacker must have valid administrative credentials on the device in order to exploit the issue, so the CVSS score comes in at 7.2 rather than critical[...]\n\n___________________________ \n@hacking_Attack\n@Hacking_Video", "creation_timestamp": "2026-09-09T00:00:46.237671Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/5d3571c5-67c5-42b7-af3d-8ca375b98f4a/export"/>
    <published>2026-09-09T00:00:46.237671+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/6f58048f-1c54-4eef-9d09-21a12aaf695a/export</id>
    <title>6f58048f-1c54-4eef-9d09-21a12aaf695a</title>
    <updated>2026-09-17T08:48:43.357541+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "6f58048f-1c54-4eef-9d09-21a12aaf695a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1137", "type": "seen", "source": "https://t.me/hacking_Attack/4296", "content": "The most serious of the bugs (CVE-2021-1479) impacts Cisco\u2019 SD-WAN vManage software. It allows unauthenticated attackers to trigger a buffer overflow attack. See Also: Hacking Stories: When two young hackers played war games with Pentagon\u201cThe vulnerability is due to improper validation of user-supplied input to the vulnerable component. An attacker could exploit this vulnerability by sending a crafted connection request to the vulnerable component that, when processed, could cause a buffer overflow condition. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system with root privileges,\u201d Cisco describes.\n\nCisco has released patches for vulnerabilities impacting its SD-WAN vManage Software. The other two CVE records (CVE-2021-1137 and CVE-2021-1480) are rated high-severity also have patches available.\n\n\u201c[These] vulnerabilities affect Cisco devices if they are running a vulnerable release of Cisco SD-WAN vManage Software,\u201d Cisco wrote. It added, it was unaware of any known public exploits tied to these three vulnerabilities. The vulnerability disclosures were part of a larger disclosure of bugs and fixes that totaled 16 flaws ranging\u00a0from critical, high severity to medium.\nSource: threatpost.com (Click Link)style=\"display:block\"\n data-ad-client=\"ca-pub-6620833063853657\"\n data-ad-slot=\"8337846400\"\n data-ad-format=\"auto\"\n data-full-width-responsive=\"true\"&amp;gt; Recent News* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/google-play-90x90.jpg Fake Netflix App on Google Play Spreads Malware Via WhatsApp1 day ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/vmware-patch-90x90.jpg Critical Cloud Bug in VMWare Carbon Black Allows Takeover2 days ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/eggs-chickens-e1617650984482-90x90.jpg LinkedIn Spear-Phishing Campaign Targets Job Hunters3 days ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/pf9bzNs3hHRgAcgDQTPPa3-1200-80-90x90.jpg Facebook data on 533 million users posted online4 days ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/NAS-Bug-90x90.jpg Legacy QNAP NAS Devices Vulnerable to Zero-Day Attack7 days ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/iphone-privacy-90x90.jpg Apple, Google Both Track Mobile Telemetry Data, Despite Users Opting Out1 week ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/03/Monero-Mining-90x90.png Malicious Docker Cryptomining Images Rack Up 20M Downloads1 week ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/03/phph-90x90.jpg PHP Infiltrated with Backdoor Malware1 week ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/03/ransomware_global_small-90x90.jpg Insurance Giant CNA Hit with Novel Ransomware Attack2 weeks ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/03/Microsoft-Teams-90x90.jpg Microsoft Offers Up To $30K For Teams Bugs2 weeks ago\nThe post Zero-Day Bug Impacts Problem-Plagued Cisco SOHO Routers first appeared on Black Hat Ethical Hacking.", "creation_timestamp": "2026-09-09T00:00:32.112829Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/6f58048f-1c54-4eef-9d09-21a12aaf695a/export"/>
    <published>2026-09-09T00:00:32.112829+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/d1e70cfd-a602-411c-9b34-cf7da62d8961/export</id>
    <title>d1e70cfd-a602-411c-9b34-cf7da62d8961</title>
    <updated>2026-09-17T08:48:43.357671+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "d1e70cfd-a602-411c-9b34-cf7da62d8961", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1137", "type": "seen", "source": "https://t.me/hacking_Attack/4295", "content": "Black Hat Ethical Hacking\nZero-Day Bug Impacts Problem-Plagued Cisco SOHO Routers\n\nhttps://www.blackhatethicalhacking.com/wp-content/uploads/2017/11/black-hat-locks-and-electronics.jpg Zero-Day Bug Impacts Problem-Plagued Cisco SOHO RoutersPost Views: 47 \nstyle=\"display:block\"\n data-ad-client=\"ca-pub-6620833063853657\"\n data-ad-slot=\"8337846400\"\n data-ad-format=\"auto\"\n data-full-width-responsive=\"true\"&amp;gt; \nReading Time: 1 Minute\nCisco Systems said it will not fix a critical vulnerability found in three of its SOHO router models. The bug, rated 9.8 in severity out of 10, could allow unauthenticated remote users to hijack targeted equipment and gain elevated privileges within effected systems.\nThe three Cisco router models (RV110W, RV130, and RV215W) and one VPN firewall device (RV130W) are of varying age and have reached \u201cend of life\u201d and will not be patched, according to Cisco.\n\nThe company is advising customers to replace the equipment.\n\n\u201cCisco\u00a0has not released and will not release software updates to address the vulnerability described in this advisory. The Cisco\u00a0Small Business RV110W, RV130, RV130W, and RV215W Routers have entered the end-of-life process,\u201d the company wrote. The company added no workaround is available either. Buffer Overflow BugIn the Cisco Systems Security Advisory posted Wednesday, the networking giant said the flaw is due to improper validation of user-supplied input in the web-based management interface.\n\n\u201cAn attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system of the affected device,\u201d Cisco wrote.\n\nWorkaround mitigation options, such as disabling the web-based management interface, are not available. \u201cThe web-based management interface of these devices is available through a local LAN connection, which cannot be disabled, or through the WAN connection if the remote management feature is enabled,\u201d Cisco wrote. \u201c[However by] default, the remote management feature is disabled on these devices,\u201d Cisco wrote.\nSee Also: Fake Netflix App on Google Play Spreads Malware Via WhatsApp Past Router ProblemsEach of the routers (RV110W, RV130 and RV215W) have had a rocky past. In 2019, hackers exploited a similar critical bug (CVE-2019-1663) after a public proof of concept was made available by researchers with Pen Test Partners.\n\nIn its blog post, Pen Test Partners attributed the root cause of 2019 bug to Cisco\u2019s reliance on the use of insecure C programming language, such as strcpy (string copy).\n\nResearcher Treck Zhou, who is credited for finding the 2021 bug, provided no such similar analysis. Unlike the 2019 bug, Cisco said it \u201cis not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\u201d\nSee Also: Offensive Security Tool: DirDar One More Critical Router BugOn Wednesday, Cisco also warned\u00a0of second critical bug, with a severity rating of 9.8, that impacts its Cisco SD-WAN vManage software. Two additional high-severity bugs were also reported impacting the same Cisco SD-WAN vManage software.\n\n\u201cMultiple vulnerabilities in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to execute arbitrary code or allow an authenticated, local attacker to gain escalated privileges on an affected system,\u201d Cisco wrote.\n\nEach of these bugs (CVE-2021-1137, CVE-2021-1479, CVE-2021-1480) are separate and cannot and do not need to be chained together. \u201cThe vulnerabilities are not dependent on one another. Exploitation of one of the vulnerabilities is not required to exploit another vulnerability,\u201d Cisco wrote.\n\n[...]", "creation_timestamp": "2026-09-09T00:00:31.862592Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/d1e70cfd-a602-411c-9b34-cf7da62d8961/export"/>
    <published>2026-09-09T00:00:31.862592+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/704fd3ac-d360-4b74-92c3-9f2a62db02fe/export</id>
    <title>704fd3ac-d360-4b74-92c3-9f2a62db02fe</title>
    <updated>2026-09-17T08:48:43.357797+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "704fd3ac-d360-4b74-92c3-9f2a62db02fe", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1137", "type": "seen", "source": "https://t.me/hacking_Attack/4296", "content": "The most serious of the bugs (CVE-2021-1479) impacts Cisco\u2019 SD-WAN vManage software. It allows unauthenticated attackers to trigger a buffer overflow attack. See Also: Hacking Stories: When two young hackers played war games with Pentagon\u201cThe vulnerability is due to improper validation of user-supplied input to the vulnerable component. An attacker could exploit this vulnerability by sending a crafted connection request to the vulnerable component that, when processed, could cause a buffer overflow condition. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system with root privileges,\u201d Cisco describes.\n\nCisco has released patches for vulnerabilities impacting its SD-WAN vManage Software. The other two CVE records (CVE-2021-1137 and CVE-2021-1480) are rated high-severity also have patches available.\n\n\u201c[These] vulnerabilities affect Cisco devices if they are running a vulnerable release of Cisco SD-WAN vManage Software,\u201d Cisco wrote. It added, it was unaware of any known public exploits tied to these three vulnerabilities. The vulnerability disclosures were part of a larger disclosure of bugs and fixes that totaled 16 flaws ranging\u00a0from critical, high severity to medium.\nSource: threatpost.com (Click Link)style=\"display:block\"\n data-ad-client=\"ca-pub-6620833063853657\"\n data-ad-slot=\"8337846400\"\n data-ad-format=\"auto\"\n data-full-width-responsive=\"true\"&amp;gt; Recent News* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/google-play-90x90.jpg Fake Netflix App on Google Play Spreads Malware Via WhatsApp1 day ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/vmware-patch-90x90.jpg Critical Cloud Bug in VMWare Carbon Black Allows Takeover2 days ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/eggs-chickens-e1617650984482-90x90.jpg LinkedIn Spear-Phishing Campaign Targets Job Hunters3 days ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/pf9bzNs3hHRgAcgDQTPPa3-1200-80-90x90.jpg Facebook data on 533 million users posted online4 days ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/NAS-Bug-90x90.jpg Legacy QNAP NAS Devices Vulnerable to Zero-Day Attack7 days ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/04/iphone-privacy-90x90.jpg Apple, Google Both Track Mobile Telemetry Data, Despite Users Opting Out1 week ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/03/Monero-Mining-90x90.png Malicious Docker Cryptomining Images Rack Up 20M Downloads1 week ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/03/phph-90x90.jpg PHP Infiltrated with Backdoor Malware1 week ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/03/ransomware_global_small-90x90.jpg Insurance Giant CNA Hit with Novel Ransomware Attack2 weeks ago\n* https://www.blackhatethicalhacking.com/wp-content/uploads/2021/03/Microsoft-Teams-90x90.jpg Microsoft Offers Up To $30K For Teams Bugs2 weeks ago\nThe post Zero-Day Bug Impacts Problem-Plagued Cisco SOHO Routers first appeared on Black Hat Ethical Hacking.", "creation_timestamp": "2026-09-08T11:00:05.369147Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/704fd3ac-d360-4b74-92c3-9f2a62db02fe/export"/>
    <published>2026-09-08T11:00:05.369147+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/b71e8e5c-aa4e-438f-a743-d6213a09af53/export</id>
    <title>b71e8e5c-aa4e-438f-a743-d6213a09af53</title>
    <updated>2026-09-17T08:48:43.357919+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "b71e8e5c-aa4e-438f-a743-d6213a09af53", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1137", "type": "seen", "source": "https://t.me/hacking_Attack/4295", "content": "Black Hat Ethical Hacking\nZero-Day Bug Impacts Problem-Plagued Cisco SOHO Routers\n\nhttps://www.blackhatethicalhacking.com/wp-content/uploads/2017/11/black-hat-locks-and-electronics.jpg Zero-Day Bug Impacts Problem-Plagued Cisco SOHO RoutersPost Views: 47 \nstyle=\"display:block\"\n data-ad-client=\"ca-pub-6620833063853657\"\n data-ad-slot=\"8337846400\"\n data-ad-format=\"auto\"\n data-full-width-responsive=\"true\"&amp;gt; \nReading Time: 1 Minute\nCisco Systems said it will not fix a critical vulnerability found in three of its SOHO router models. The bug, rated 9.8 in severity out of 10, could allow unauthenticated remote users to hijack targeted equipment and gain elevated privileges within effected systems.\nThe three Cisco router models (RV110W, RV130, and RV215W) and one VPN firewall device (RV130W) are of varying age and have reached \u201cend of life\u201d and will not be patched, according to Cisco.\n\nThe company is advising customers to replace the equipment.\n\n\u201cCisco\u00a0has not released and will not release software updates to address the vulnerability described in this advisory. The Cisco\u00a0Small Business RV110W, RV130, RV130W, and RV215W Routers have entered the end-of-life process,\u201d the company wrote. The company added no workaround is available either. Buffer Overflow BugIn the Cisco Systems Security Advisory posted Wednesday, the networking giant said the flaw is due to improper validation of user-supplied input in the web-based management interface.\n\n\u201cAn attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system of the affected device,\u201d Cisco wrote.\n\nWorkaround mitigation options, such as disabling the web-based management interface, are not available. \u201cThe web-based management interface of these devices is available through a local LAN connection, which cannot be disabled, or through the WAN connection if the remote management feature is enabled,\u201d Cisco wrote. \u201c[However by] default, the remote management feature is disabled on these devices,\u201d Cisco wrote.\nSee Also: Fake Netflix App on Google Play Spreads Malware Via WhatsApp Past Router ProblemsEach of the routers (RV110W, RV130 and RV215W) have had a rocky past. In 2019, hackers exploited a similar critical bug (CVE-2019-1663) after a public proof of concept was made available by researchers with Pen Test Partners.\n\nIn its blog post, Pen Test Partners attributed the root cause of 2019 bug to Cisco\u2019s reliance on the use of insecure C programming language, such as strcpy (string copy).\n\nResearcher Treck Zhou, who is credited for finding the 2021 bug, provided no such similar analysis. Unlike the 2019 bug, Cisco said it \u201cis not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\u201d\nSee Also: Offensive Security Tool: DirDar One More Critical Router BugOn Wednesday, Cisco also warned\u00a0of second critical bug, with a severity rating of 9.8, that impacts its Cisco SD-WAN vManage software. Two additional high-severity bugs were also reported impacting the same Cisco SD-WAN vManage software.\n\n\u201cMultiple vulnerabilities in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to execute arbitrary code or allow an authenticated, local attacker to gain escalated privileges on an affected system,\u201d Cisco wrote.\n\nEach of these bugs (CVE-2021-1137, CVE-2021-1479, CVE-2021-1480) are separate and cannot and do not need to be chained together. \u201cThe vulnerabilities are not dependent on one another. Exploitation of one of the vulnerabilities is not required to exploit another vulnerability,\u201d Cisco wrote.\n\n[...]", "creation_timestamp": "2026-09-08T11:00:05.044370Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/b71e8e5c-aa4e-438f-a743-d6213a09af53/export"/>
    <published>2026-09-08T11:00:05.044370+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/7e8d69df-2e0f-4aae-983b-b39f06a7172c/export</id>
    <title>7e8d69df-2e0f-4aae-983b-b39f06a7172c</title>
    <updated>2026-09-17T08:48:43.358047+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "7e8d69df-2e0f-4aae-983b-b39f06a7172c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1134", "type": "seen", "source": "https://t.me/hacking_Attack/13348", "content": "Black Hat Ethical Hacking\nCisco Smart Switches Riddled with Severe Security Holes\n\nhttps://www.blackhatethicalhacking.com/wp-content/uploads/2017/11/black-hat-locks-and-electronics.jpg Cisco Smart Switches Riddled with Severe Security HolesPost Views: 60 \nReading Time: 1 Minute\nCisco has flagged and patched several high-severity security vulnerabilities in its Cisco Small Business 220 Series Smart Switches that could allow session hijacking, arbitrary code execution, cross-site scripting and HTML injection.\nIt also issued fixes for high-severity problems in the AnyConnect secure mobility client, the Cisco DNA Center and the Cisco Email Security Appliance, along with a slew of patches for medium-severity vulnerabilities in AnyConnect, Jabber, Meeting Server, Unified Intelligence Center and Webex.\n\nThe high-severity issues are as follows:\n\n* CVE-2021-1566:\u00a0Cisco Email Security Appliance and Cisco Web Security Appliance (Certificate-Validation Vulnerability)\n* CVE-2021-1134:\u00a0Cisco DNA Center (Certificate Validation Vulnerability)\n* CVE-2021-1541 through 1543; CVE-2021-1571:\u00a0Cisco Small Business 220 Series Smart Switches (Session Hijacking, Arbitrary Code-Execution, Cross-Site Scripting, HTML Injection)\n* CVE-2021-1567:\u00a0Cisco AnyConnect Secure Mobility Client for Windows with VPN Posture (HostScan) Module (DLL Hijacking)\n\nThe most severe issue in this crop of patches is tracked as CVE-2021-1542, in the Cisco Small Business 220 Series Smart Switches. These are entry-level switches that act as the basic building blocks for small- and medium-sized business networks. They\u2019re responsible for sharing network resources and connecting various clients, including computers, printers and servers, to the network and each other, along with security, governing network performance and more.\nSee Also: RockYou2021: largest password compilation of all time leaked online \u2013 8.4 billion entries The bug rates 7.5 on the 10-point CVSS vulnerability-severity scale, and arises from weak session management for the web-based management interface of the switches. An unauthenticated, remote attacker could use it to bypass authentication protections and gain unauthorized access to the interface, according to the advisory. The attacker could then obtain the privileges of the highjacked session account, which could include administrative privileges, and thus gain free rein on the switch.\n\n\u201cThis vulnerability is due to the use of weak session management for session identifier values,\u201d according to Cisco. \u201cAn attacker could exploit this vulnerability by using reconnaissance methods to determine how to craft a valid session identifier. A successful exploit could allow the attacker [to] take actions within the management interface with privileges up to the level of the administrative user.\u201d Multiple Patches for Smart SwitchesThere are also multiple other security flaws in the same web-management interface. For instance, the bug tracked as CVE-2021-1541\u00a0is an arbitrary code-execution vulnerability that would allow an authenticated, remote attacker to execute arbitrary commands as a root user on the underlying operating system.\n\n\u201cThis vulnerability is due to a lack of parameter validation for TFTP configuration parameters,\u201d according to Cisco. \u201cAn attacker could exploit this vulnerability by entering crafted input for specific TFTP configuration parameters. A successful exploit could allow the attacker to execute arbitrary commands as a root user on the underlying operating system.\u201d\nSee Also: Offensive Security Tool: CloudFail The attacker must have valid administrative credentials on the device in order to exploit the issue, so the CVSS score comes in at 7.2 rather than critical[...]\n\n___________________________ \n@hacking_Attack\n@Hacking_Video", "creation_timestamp": "2026-09-08T03:00:06.708046Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/7e8d69df-2e0f-4aae-983b-b39f06a7172c/export"/>
    <published>2026-09-08T03:00:06.708046+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/718563db-c07d-473d-9725-e5de78a98568/export</id>
    <title>718563db-c07d-473d-9725-e5de78a98568</title>
    <updated>2026-09-17T08:48:43.358176+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "718563db-c07d-473d-9725-e5de78a98568", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-1134", "type": "seen", "source": "https://t.me/hacking_Attack/13350", "content": ".\n\nThe issue tracked as CVE-2021-1543, meanwhile, allows cross-site scripting from an unauthenticated, remote attacker (CVSS score: 6.1).\n\n\u201cThis vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected device,\u201d according to Cisco. \u201cAn attacker could exploit this vulnerability by persuading a user to click a malicious link and access a specific page. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information and redirect the user to an arbitrary page.\u201d\n\nAnd finally, CVE-2021-1571\u00a0(rating 6.1 on the CVSSscale) could allow an unauthenticated, remote attacker to conduct a HTML injection attack.\n\n\u201cThis vulnerability is due to improper checks of parameter values in affected pages,\u201d according to the advisory. \u201cAn attacker could exploit this vulnerability by persuading a user to follow a crafted link that is designed to pass HTML code into an affected parameter. A successful exploit could allow the attacker to alter the contents of a web page to redirect the user to potentially malicious websites.\u201d See Also: Jeff Moss, aka Dark Tangent, the person who founded DEF CON and Black Hat Cisco\u2019s Other High-Severity Security HolesThe other high-severity bugs that Cisco addressed on Wednesday include the certificate-validation vulnerability (CVE-2021-1566) in the Cisco Email Security Appliance (ESA) and Cisco Web Security Appliance (WSA). It exists in the way the Cisco Advanced Malware Protection (AMP) for Endpoints integrates Cisco AsyncOS. If exploited, the bug could allow an unauthenticated, remote attacker to intercept traffic between an affected device and the AMP servers. It rates 7.4 on the 10-point CVSS bug-severity scale.\n\n\u201cThis vulnerability is due to improper certificate validation when an affected device establishes TLS connections,\u201d according to the advisory. \u201cA man-in-the-middle attacker could exploit this vulnerability by sending a crafted TLS packet to an affected device. A successful exploit could allow the attacker to spoof a trusted host and then extract sensitive information or alter certain API requests.\u201d\n\nThe bug (CVE-2021-1134) in the Cisco DNA Center, a network controller and management dashboard, also rates 7.4. It exists in the Cisco Identity Services Engine (ISE) integration feature of the software, and could also allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data.\n\n\u201cThe vulnerability is due to an incomplete validation of the X.509 certificate used when establishing a connection between DNA Center and an ISE server,\u201d according to the advisory. \u201cAn attacker could exploit this vulnerability by supplying a crafted certificate and could then intercept communications between the ISE and DNA Center. A successful exploit could allow the attacker to view and alter sensitive information that the ISE maintains about clients that are connected to the network.\u201d\n\nAnd finally, a vulnerability (CVE-2021-1567) in the DLL loading mechanism of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack.\n\nIt\u2019s only exploitable if the VPN Posture (HostScan) Module is installed on the AnyConnect client, and it carries a 7.0 CVSS rating. VPN Posture helps to gather information about what operating system, antivirus, antispyware and other installed software is present on remote hosts, and it performs endpoint assessment while allowing a connection to the VPN.\n\n\u201cThis vulnerability is due to a race condition in the signature verification process for DLL files that are loaded on an affected device,\u201d according to Cisco. \u201cAn attacker could exploit this vulnerability by sending a series of crafted interprocess communication (IPC) messages to the AnyConnect process. A successful exploit could allow the attacker to exe[...]\n\n___________________________ \n@hacking_Attack\n@Hacking_Video", "creation_timestamp": "2026-09-08T02:00:04.319228Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/718563db-c07d-473d-9725-e5de78a98568/export"/>
    <published>2026-09-08T02:00:04.319228+00:00</published>
  </entry>
</feed>
