Read the docs
TI-2026-02523 Aliases CVE-2026-2930GHSA-c5fm-9xmx-m8v3

Tenda A18 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

Priority LOW 24CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary 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 None reported CISA SSVC · not in CISA KEV
EPSS 0.0035 28th 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
None
Automatable
No
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
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-2026-2930
  2. 2026-10-03 Alias added: GHSA-c5fm-9xmx-m8v3
  3. 2026-10-20 EPSS moved to the 50th–90th percentile
  4. 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-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
See all 10 →

Sources

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