FKIE_CVE-2022-30525

Vulnerability from fkie_nvd - Published: 2022-05-12 14:15 - Updated: 2025-10-27 17:04
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.
References
security@zyxel.com.twhttp://packetstormsecurity.com/files/167176/Zyxel-Remote-Command-Execution.htmlThird Party Advisory, VDB Entry
security@zyxel.com.twhttp://packetstormsecurity.com/files/167182/Zyxel-Firewall-ZTP-Unauthenticated-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
security@zyxel.com.twhttp://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-5.21-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
security@zyxel.com.twhttp://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.htmlExploit, Third Party Advisory
security@zyxel.com.twhttps://www.zyxel.com/support/Zyxel-security-advisory-for-OS-command-injection-vulnerability-of-firewalls.shtmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/167176/Zyxel-Remote-Command-Execution.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/167182/Zyxel-Firewall-ZTP-Unauthenticated-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-5.21-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.htmlExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zyxel.com/support/Zyxel-security-advisory-for-OS-command-injection-vulnerability-of-firewalls.shtmlVendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-30525US Government Resource
Impacted products
Vendor Product Version
zyxel usg_flex_100w_firmware *
zyxel usg_flex_100w -
zyxel usg_flex_200_firmware *
zyxel usg_flex_200 -
zyxel usg_flex_500_firmware *
zyxel usg_flex_500 -
zyxel usg_flex_700_firmware *
zyxel usg_flex_700 -
zyxel vpn100_firmware *
zyxel vpn100 -
zyxel vpn1000_firmware *
zyxel vpn1000 -
zyxel vpn300_firmware *
zyxel vpn300 -
zyxel vpn50_firmware *
zyxel vpn50 -
zyxel atp100_firmware *
zyxel atp100 -
zyxel atp100w_firmware *
zyxel atp100w -
zyxel atp200_firmware *
zyxel atp200 -
zyxel atp500_firmware *
zyxel atp500 -
zyxel atp700_firmware *
zyxel atp700 -
zyxel atp800_firmware *
zyxel atp800 -
zyxel usg_flex_50w_firmware *
zyxel usg_flex_50w -
zyxel usg20w-vpn_firmware *
zyxel usg20w-vpn -
To clipboard 

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  "cisaExploitAdd": "2022-05-16",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de inyecci\u00f3n de comandos del Sistema Operativo en el programa CGI del firmware Zyxel USG FLEX 100(W) versiones 5.00 hasta 5.21 Parche 1, firmware USG FLEX 200 versiones 5.00 hasta 5.21 Parche 1, firmware USG FLEX 500 versiones 5.00 hasta 5.21 Parche 1, firmware USG FLEX 700 versiones 5.00 hasta 5.21 Parche 1, firmware USG FLEX 50(W) versiones 5. 10 hasta 5.21 Parche 1, firmware USG20(W)-VPN versiones 5.10 hasta 5.21 Parche 1, firmware de la serie ATP versiones 5.10 hasta 5.21 Parche 1, firmware de la serie VPN versiones 4.60 hasta 5.21 Parche 1, lo que podr\u00eda permitir a un atacante modificar archivos espec\u00edficos y luego ejecutar algunos comandos del Sistema Operativo en un dispositivo vulnerable"
    }
  ],
  "id": "CVE-2022-30525",
  "lastModified": "2025-10-27T17:04:31.950",
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  "published": "2022-05-12T14:15:07.053",
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        "Third Party Advisory"
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      "url": "http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html"
    },
    {
      "source": "security@zyxel.com.tw",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-OS-command-injection-vulnerability-of-firewalls.shtml"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/167176/Zyxel-Remote-Command-Execution.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/167182/Zyxel-Firewall-ZTP-Unauthenticated-Command-Injection.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-5.21-Command-Injection.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.zyxel.com/support/Zyxel-security-advisory-for-OS-command-injection-vulnerability-of-firewalls.shtml"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-30525"
    }
  ],
  "sourceIdentifier": "security@zyxel.com.tw",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "security@zyxel.com.tw",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.