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TI-2025-05267 Aliases CVE-2025-5839GHSA-xpmp-hffj-q43q

Tenda AC9 POST Request AdvSetLanip fromadvsetlanip buffer 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 vulnerability, which was classified as critical, has been found in Tenda AC9 15.03.02.13. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01095 65th 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
TendaAC915.03.02.13—No fix listedCNA
  • AC9 VendorTenda Affected 15.03.02.13 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:ac9_firmware:15.03.2.13:*:*:*:*:*:*:*15.03.2.13VulnerableTenda
cpe:2.3:h:tenda:ac9:1.0:*:*:*:*:*:*:*1.0Running onTenda
  • cpe:2.3:o:tenda:ac9_firmware:15.03.2.13:*:*:*:*:*:*:* Versions 15.03.2.13 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:ac9:1.0:*:*:*:*:*:*:* Versions 1.0 Running on ·Tenda

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-5839
  2. 2026-10-03 Alias added: GHSA-xpmp-hffj-q43q

References

Exploit 1

Other 1

  • TI-2018-10434 An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-28777 In the Tenda ac9 v1.0 router with firmware V15.03.05.14_multi, there is a stack overflow… CVSS 3.1CRITICAL 9.8
  • TI-2025-28776 In Tenda ac9 v1.0 with firmware V15.03.05.14_multi, the rebootTime parameter of… CVSS 3.1CRITICAL 9.8
  • TI-2025-28775 In Tenda AC9 v1.0 with firmware V15.03.05.14_multi, the security parameter of… CVSS 3.1CRITICAL 9.8
  • TI-2025-28726 Tenda AC9 v15.03.05.14 was discovered to contain a command injection vulnerability via the Telnet function. CVSS 3.1CRITICAL 9.8
  • TI-2025-28675 Tenda AC9 V15.03.06.42_multi was found to contain a command injection vulnerability in… CVSS 3.1CRITICAL 9.8
See all 91 →

Sources

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