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TI-2025-13391 Aliases CVE-2025-14654GHSA-4gf6-p85h-2wcf

Tenda AC20 httpd setPptpUserList formSetPPTPUserList stack-based overflow

Priority HIGH 77CWE-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 vulnerability was identified in Tenda AC20 16.03.08.12. The affected element is the function formSetPPTPUserList of the file /goform/setPptpUserList of the component httpd. Such manipulation of the argument list leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03327 88th 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
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
TendaAC2016.03.08.12—No fix listedCNA
  • AC20 VendorTenda Affected 16.03.08.12 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:*16.03.08.12VulnerableTenda
cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:* Versions 16.03.08.12 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:* 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-2025-14654
  2. 2026-10-03 Alias added: GHSA-4gf6-p85h-2wcf

References

  • TI-2025-13393 Tenda AC20 openSchedWifi httpd buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-13392 Tenda AC20 httpd SetSysAutoRebbotCfg formSetRebootTimer stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-14008 Tenda AC20 PowerSaveSet sscanf buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-12122 Tenda AC20 WifiExtraSet buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-09906 Tenda AC20 HTTP POST Request SetPptpServerCfg strcpy buffer overflow CVSS 4.0HIGH 8.7
  • TI-2025-09292 Tenda AC20 GetParentControlInfo strcpy buffer overflow CVSS 4.0HIGH 8.7
See all 19 →

Sources