Tenda W9 httpd formQosManage_auto stack-based overflow
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 has been found in Tenda W9 1.0.0.7(4456) and classified as critical. This vulnerability affects the function formQosManage_auto of the component httpd. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250708. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenda | W9 | 1.0.0.7(4456) | — | No fix listed | CNA |
- W9 VendorTenda Affected 1.0.0.7(4456) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-0538
- 2026-10-03 Alias added: GHSA-39qp-7mxh-5jrr
References
More Tenda W9 Firmware vulnerabilities
- 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-2024-00500 Tenda W9 httpd formAddSysLogRule stack-based overflow 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
Sources
- CVE-2024-0538 · CVE Program
- CVE-2024-0538 · NVD
- FIRST EPSS
- GHSA-39qp-7mxh-5jrr · GitHub Advisory Database · CC BY 4.0
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