Tenda i12 WifiMacFilterGet formWifiMacFilterGet stack-based overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A weakness has been identified in Tenda i12 1.0.0.6(2204). The affected element is the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. This manipulation of the argument index causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.
Why it matters now
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tenda | i12 | 1.0.0.6(2204) | — | No fix listed | CNA |
- i12 VendorTenda Affected 1.0.0.6(2204) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-4042
- 2026-10-03 Alias added: GHSA-wmx5-6ccw-8g4h
References
More Tenda I12 Firmware vulnerabilities
- TI-2026-04917 Tenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-03502 Tenda i12 wifiSSIDget formwrlSSIDget stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-03500 Tenda i12 exeCommand vos_strcpy stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-20998 Tenda i12 V1.0.0.10(3805) was discovered to contain a buffer overflow via the ping1… CVSS 3.1HIGH 7.5
- TI-2026-05128 Tenda i12 HTTP path traversal CVSS 4.0MEDIUM 6.9
- TI-2025-19090 Tenda i12 V1.0.0.10(3805) was discovered to contain a buffer overflow via the funcpara1… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-4042 · CVE Program
- CVE-2026-4042 · NVD
- FIRST EPSS
- GHSA-wmx5-6ccw-8g4h · GitHub Advisory Database · CC BY 4.0
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