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TI-2026-03501 Aliases CVE-2026-4042GHSA-wmx5-6ccw-8g4h

Tenda i12 WifiMacFilterGet formWifiMacFilterGet stack-based overflow

Priority HIGH 73CWE-119Published · Updated

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

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00922 60th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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
Tendai121.0.0.6(2204)—No fix listedCNA
  • i12 VendorTenda Affected 1.0.0.6(2204) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:i12_firmware:1.0.0.6\(2204\):*:*:*:*:*:*:*1.0.0.6(2204)VulnerableTenda
cpe:2.3:h:tenda:i12:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:i12_firmware:1.0.0.6\(2204\):*:*:*:*:*:*:* Versions 1.0.0.6(2204) Vulnerable ·Tenda
  • cpe:2.3:h:tenda:i12:-:*:*:*:*:*:*:* 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-2026-4042
  2. 2026-10-03 Alias added: GHSA-wmx5-6ccw-8g4h

References

  • 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
See all 8 →

Sources