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TI-2026-02470 Aliases CVE-2026-2876GHSA-pg46-g938-p94j

Tenda A18 setBlackRule parse_macfilter_rule 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 was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file /goform/setBlackRule. This manipulation of the argument deviceList causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00602 49th 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-2026-2876
  2. 2026-10-03 Alias added: GHSA-pg46-g938-p94j
  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-2026-02471 Tenda A18 Httpd Service WifiExtraSet strcpy 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