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TI-2026-02471 Aliases CVE-2026-2877GHSA-69vg-2v33-6p2v

Tenda A18 Httpd Service WifiExtraSet strcpy 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 vulnerability has been found in Tenda A18 15.13.07.13. This affects the function strcpy of the file /goform/WifiExtraSet of the component Httpd Service. The manipulation of the argument wpapsk_crypto5g leads to stack-based buffer overflow. It is possible to initiate the attack 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 0.0057 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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
TendaA1815.13.07.13—No fix listedCNA
  • A18 VendorTenda Affected 15.13.07.13 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tenda:a18_firmware:15.13.07.13:*:*:*:*:*:*:*15.13.07.13VulnerableTenda
cpe:2.3:h:tenda:a18:-:*:*:*:*:*:*:*not specified by NVDRunning onTenda
  • cpe:2.3:o:tenda:a18_firmware:15.13.07.13:*:*:*:*:*:*:* Versions 15.13.07.13 Vulnerable ·Tenda
  • cpe:2.3:h:tenda:a18:-:*:*:*:*:*:*:* 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-2026-2877
  2. 2026-10-03 Alias added: GHSA-69vg-2v33-6p2v
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Exploit 1

Other 1

  • TI-2023-27630 Tenda A18 v15.13.07.09 was discovered to contain a stack overflow via the devName… CVSS 3.1CRITICAL 9.8
  • TI-2026-02470 Tenda A18 setBlackRule parse_macfilter_rule stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2024-21263 Tenda A18 v15.03.05.05 firmware has a stack overflow vulnerability located via the PPW… CVSS 3.1HIGH 8.8
  • TI-2023-20795 Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the… CVSS 3.1HIGH 7.5
  • TI-2023-20794 Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the security… CVSS 3.1HIGH 7.5
  • TI-2023-20793 Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the rule_info… CVSS 3.1HIGH 7.5
See all 10 →

Sources

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