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TI-2025-42929 Aliases CVE-2025-69766GHSA-2w96-8922-g8xr

Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv…

Priority HIGH 82CWE-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 · CISA ADP. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the citytag stack buffer, which may result in memory corruption and remote code execution.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00811 57th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:ax3_firmware:16.03.12.11:*:*:*:*:*:*:*16.03.12.11VulnerableTenda
cpe:2.3:h:tenda:ax3:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:ax3_firmware:16.03.12.11:*:*:*:*:*:*:* Versions 16.03.12.11 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:ax3:-:*:*:*:*:*:*:* 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-2025-69766
  2. 2026-10-03 Alias added: GHSA-2w96-8922-g8xr

References

Exploit 2

  • TI-2025-42927 Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv… CVSS 3.1CRITICAL 9.8
  • TI-2025-42926 Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId… CVSS 3.1CRITICAL 9.8
  • TI-2025-42925 Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the list… CVSS 3.1CRITICAL 9.8
  • TI-2023-28433 Tenda AX3 v16.03.12.11 was discovered to contain a remote code execution (RCE)… CVSS 3.1CRITICAL 9.8
  • TI-2023-09933 Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the timeType function at /goform/SetSysTimeCfg. CVSS 3.1CRITICAL 9.8
  • TI-2025-35062 Tenda AX3 V16.03.12.10_CN is vulnerable to Buffer Overflow in the fromAdvSetMacMtuWan… CVSS 3.1CRITICAL 9.8
See all 52 →

Sources

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