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TI-2026-03971 Aliases CVE-2026-4567GHSA-xhj3-xwvq-rwxj

Tenda A15 UploadCfg stack-based overflow

Priority HIGH 81CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 has been found in Tenda A15 15.13.07.13. The impacted element is the function UploadCfg of the file /cgi-bin/UploadCfg. The manipulation of the argument File leads to stack-based buffer overflow. The attack may be initiated 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 0.03752 89th 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
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
TendaA1515.13.07.13—No fix listedCNA
  • A15 VendorTenda Affected 15.13.07.13 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:a15_firmware:15.13.07.13:*:*:*:*:*:*:*15.13.07.13VulnerableTenda
cpe:2.3:h:tenda:a15:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:a15_firmware:15.13.07.13:*:*:*:*:*:*:* Versions 15.13.07.13 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:a15:-:*:*:*:*:*:*:* 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-2026-4567
  2. 2026-10-03 Alias added: GHSA-xhj3-xwvq-rwxj

References

Exploit 1

Other 2

  • TI-2022-23334 Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey2 parameter at /goform/WifiBasicSet. CVSS 3.1CRITICAL 9.8
  • TI-2022-23329 Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the wepkey3 parameter at /goform/WifiBasicSet. CVSS 3.1CRITICAL 9.8
  • TI-2024-00491 Tenda A15 Web-based Management Interface WifiExtraSet set_repeat5 stack-based overflow CVSS 4.0HIGH 8.6
  • TI-2022-23322 Tenda A15 V15.13.07.13 was discovered to contain a stack overflow via the SYSPS parameter at /goform/SysToolChangePwd. CVSS 3.1HIGH 7.5
  • TI-2024-00490 Tenda A15 Web-based Management Interface setBlackRule stack-based overflow CVSS 3.1HIGH 7.2
  • TI-2024-00493 Tenda A15 Web-based Management Interface SetOnlineDevName stack-based overflow CVSS 3.1HIGH 7.2
See all 21 →

Sources

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