Common Weakness Enumeration

CWE-121

Allowed

Stack-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

5212 vulnerabilities reference this CWE, most recent first.

CVE-2026-4904 (GCVE-0-2026-4904)

Vulnerability from cvelistv5 – Published: 2026-03-26 23:11 – Updated: 2026-03-27 20:08
VLAI
Title
Tenda AC5 POST Request setcfm formSetCfm stack-based overflow
Summary
A vulnerability has been found in Tenda AC5 15.03.06.47. This issue affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. Such manipulation of the argument funcpara1 leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.353655 vdb-entrytechnical-description
https://vuldb.com/?ctiid.353655 signaturepermissions-required
https://vuldb.com/?submit.777381 third-party-advisory
https://lavender-bicycle-a5a.notion.site/Tenda_AC… exploit
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda AC5 Affected: 15.03.06.47
    cpe:2.3:o:tenda:ac5_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
wxhwxhwxh_mie (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-4903 (GCVE-0-2026-4903)

Vulnerability from cvelistv5 – Published: 2026-03-26 22:30 – Updated: 2026-03-27 20:00
VLAI
Title
Tenda AC5 POST Request QuickIndex formQuickIndex memory corruption
Summary
A flaw has been found in Tenda AC5 15.03.06.47. This vulnerability affects the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. This manipulation of the argument PPPOEPassword causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.353654 vdb-entrytechnical-description
https://vuldb.com/?ctiid.353654 signaturepermissions-required
https://vuldb.com/?submit.777380 third-party-advisory
https://lavender-bicycle-a5a.notion.site/Tenda_AC… exploit
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda AC5 Affected: 15.03.06.47
    cpe:2.3:o:tenda:ac5_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
wxhwxhwxh_mie (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-4902 (GCVE-0-2026-4902)

Vulnerability from cvelistv5 – Published: 2026-03-26 22:30 – Updated: 2026-03-27 13:54
VLAI
Title
Tenda AC5 POST Request addressNat fromAddressNat memory corruption
Summary
A vulnerability was detected in Tenda AC5 15.03.06.47. This affects the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. The manipulation of the argument page results in stack-based buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.353653 vdb-entrytechnical-description
https://vuldb.com/?ctiid.353653 signaturepermissions-required
https://vuldb.com/?submit.777378 third-party-advisory
https://lavender-bicycle-a5a.notion.site/Tenda_AC… exploit
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda AC5 Affected: 15.03.06.47
    cpe:2.3:o:tenda:ac5_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
wxhwxhwxh_mie (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-4861 (GCVE-0-2026-4861)

Vulnerability from cvelistv5 – Published: 2026-03-26 08:18 – Updated: 2026-03-26 18:28
VLAI
Title
Wavlink WL-NU516U1 nas.cgi ftext stack-based overflow
Summary
A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipulation of the argument Content-Length causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.353192 vdb-entrytechnical-description
https://vuldb.com/?ctiid.353192 signaturepermissions-required
https://vuldb.com/?submit.776217 third-party-advisory
https://github.com/Wlz1112/WAVLINK-NU516U1-V26022… exploit
Impacted products
Vendor Product Version
Wavlink WL-NU516U1 Affected: 260227
    cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
haimianbaobao (VulDB User) VulDB
Show details on NVD website
To clipboard 

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CVE-2026-4747 (GCVE-0-2026-4747)

Vulnerability from cvelistv5 – Published: 2026-03-26 06:21 – Updated: 2026-04-02 03:55
VLAI
Title
Remote code execution via RPCSEC_GSS packet validation
Summary
Each RPCSEC_GSS data packet is validated by a routine which checks a signature in the packet. This routine copies a portion of the packet into a stack buffer, but fails to ensure that the buffer is sufficiently large, and a malicious client can trigger a stack overflow. Notably, this does not require the client to authenticate itself first. As kgssapi.ko's RPCSEC_GSS implementation is vulnerable, remote code execution in the kernel is possible by an authenticated user that is able to send packets to the kernel's NFS server while kgssapi.ko is loaded into the kernel. In userspace, applications which have librpcgss_sec loaded and run an RPC server are vulnerable to remote code execution from any client able to send it packets. We are not aware of any such applications in the FreeBSD base system.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
FreeBSD FreeBSD Affected: 15.0-RELEASE , < p5 (release)
Affected: 14.4-RELEASE , < p1 (release)
Affected: 14.3-RELEASE , < p10 (release)
Affected: 13.5-RELEASE , < p11 (release)
Create a notification for this product.
Date Public
2026-03-26 05:00
Credits
Nicholas Carlini using Claude, Anthropic
Show details on NVD website
To clipboard 

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CVE-2026-4682 (GCVE-0-2026-4682)

Vulnerability from cvelistv5 – Published: 2026-04-15 14:32 – Updated: 2026-05-27 13:10
VLAI
Title
Certain HP DeskJet All In One (AIO) Devices – Potential Remote Code Execution & Potential Buffer Overflow
Summary
Certain HP DeskJet All in One devices may be vulnerable to remote code execution caused by a buffer overflow when specially crafted Web Services for Devices (WSD) scan requests are improperly validated and handled by the MFP. WSD Scan is a Microsoft Windows–based network scanning protocol that allows a PC to discover scanners (and MFPs) on a network and send scan jobs to them without requiring vendor specific drivers or utilities.
Severity
8.7 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
hp
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-4567 (GCVE-0-2026-4567)

Vulnerability from cvelistv5 – Published: 2026-03-23 01:30 – Updated: 2026-03-23 11:49
VLAI
Title
Tenda A15 UploadCfg stack-based overflow
Summary
A vulnerability has been found in Tenda A15 15.13.07.13. The impacted element is the function UploadCfg of the file /cgi-bin/UploadCfg. The manipulation of the argument File leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Tenda A15 Affected: 15.13.07.13
    cpe:2.3:o:tenda:a15_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
942384053 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-4566 (GCVE-0-2026-4566)

Vulnerability from cvelistv5 – Published: 2026-03-23 01:30 – Updated: 2026-03-23 16:06
VLAI
Title
Belkin F9K1122 formWISP5G stack-based overflow
Summary
A flaw has been found in Belkin F9K1122 1.00.33. The affected element is the function formWISP5G of the file /goform/formWISP5G. Executing a manipulation of the argument webpage can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Belkin F9K1122 Affected: 1.00.33
    cpe:2.3:o:belkin:f9k1122_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
LtzHust (VulDB User) VulDB
Show details on NVD website
To clipboard 

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CVE-2026-4555 (GCVE-0-2026-4555)

Vulnerability from cvelistv5 – Published: 2026-03-22 16:51 – Updated: 2026-03-23 15:28 Unsupported When Assigned
VLAI
Title
D-Link DIR-513 boa formEasySetTimezone memory corruption
Summary
A weakness has been identified in D-Link DIR-513 1.10. The impacted element is the function formEasySetTimezone of the file /goform/formEasySetTimezone of the component boa. This manipulation of the argument curTime causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.352382 vdb-entrytechnical-description
https://vuldb.com/?ctiid.352382 signaturepermissions-required
https://vuldb.com/?submit.774936 third-party-advisory
https://github.com/Litengzheng/vul_db/blob/main/D… exploit
https://www.dlink.com/ product
Impacted products
Vendor Product Version
D-Link DIR-513 Affected: 1.10
Create a notification for this product.
Credits
LtzHust2 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-4553 (GCVE-0-2026-4553)

Vulnerability from cvelistv5 – Published: 2026-03-22 15:24 – Updated: 2026-03-23 13:47
VLAI
Title
Tenda F453 Parameters Natlimit fromNatlimit stack-based overflow
Summary
A vulnerability was identified in Tenda F453 1.0.0.3. Impacted is the function fromNatlimit of the file /goform/Natlimit of the component Parameters Handler. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.352380 vdb-entrytechnical-description
https://vuldb.com/?ctiid.352380 signaturepermissions-required
https://vuldb.com/?submit.774931 third-party-advisory
https://github.com/Litengzheng/vul_db/blob/main/F… exploit
https://www.tenda.com.cn/ broken-linkproduct
Impacted products
Vendor Product Version
Tenda F453 Affected: 1.0.0.3
    cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
LtzHust (VulDB User)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-4553",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-23T13:46:38.391989Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-23T13:47:08.402Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Parameters Handler"
          ],
          "product": "F453",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0.3"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "LtzHust (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in Tenda F453 1.0.0.3. Impacted is the function fromNatlimit of the file /goform/Natlimit of the component Parameters Handler. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
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        },
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            "version": "3.0"
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        },
        {
          "cvssV2_0": {
            "baseScore": 9,
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "Stack-based Buffer Overflow",
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        {
          "descriptions": [
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      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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          "name": "VDB-352380 | Tenda F453 Parameters Natlimit fromNatlimit stack-based overflow",
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          "name": "VDB-352380 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
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          "url": "https://vuldb.com/?ctiid.352380"
        },
        {
          "name": "Submit #774931 | Tenda F453 v1.0.0.3 Stack-based Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.774931"
        },
        {
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            "exploit"
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          "url": "https://github.com/Litengzheng/vul_db/blob/main/F453/vul_88/README.md"
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          "time": "2026-03-21T00:00:00.000Z",
          "value": "Advisory disclosed"
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          "lang": "en",
          "time": "2026-03-21T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-03-21T18:02:29.000Z",
          "value": "VulDB entry last update"
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      "title": "Tenda F453 Parameters Natlimit fromNatlimit stack-based overflow"
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  "cveMetadata": {
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    "dateReserved": "2026-03-21T16:57:16.690Z",
    "dateUpdated": "2026-03-23T13:47:08.402Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}
Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.

Mitigation MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].

No CAPEC attack patterns related to this CWE.

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