Read the docs
TI-2024-00500 Aliases CVE-2024-0541GHSA-cmp3-jfp5-m6fq

Tenda W9 httpd formAddSysLogRule stack-based overflow

Priority HIGH 76CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

A vulnerability was found in Tenda W9 1.0.0.7(4456). It has been declared as critical. Affected by this vulnerability is the function formAddSysLogRule of the component httpd. The manipulation of the argument sysRulenEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-250711. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01303 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TendaW91.0.0.7(4456)—No fix listedCNA
  • W9 VendorTenda Affected 1.0.0.7(4456) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:w9_firmware:1.0.0.7\(4456\):*:*:*:*:*:*:*1.0.0.7(4456)VulnerableTenda
cpe:2.3:h:tenda:w9:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:w9_firmware:1.0.0.7\(4456\):*:*:*:*:*:*:* Versions 1.0.0.7(4456) Vulnerable ·Tenda
  • cpe:2.3:h:tenda:w9:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-0541
  2. 2026-10-03 Alias added: GHSA-cmp3-jfp5-m6fq

References

Exploit 1

  • TI-2023-27936 Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a stack overflow via the function formSetUplinkInfo. CVSS 3.1CRITICAL 9.8
  • TI-2023-27932 Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a stack overflow via the function formSetAutoPing. CVSS 3.1CRITICAL 9.8
  • TI-2024-03948 Tenda W9 wifiSSIDset formwrlSSIDset stack-based overflow CVSS 3.1HIGH 8.8
  • TI-2024-03945 Tenda W9 formQosManageDouble_user stack-based overflow CVSS 3.1HIGH 8.8
  • TI-2024-03946 Tenda W9 formQosManageDouble_auto stack-based overflow CVSS 3.1HIGH 8.8
  • TI-2024-00497 Tenda W9 httpd formQosManage_auto stack-based overflow CVSS 3.1CRITICAL 9.8
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences