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CVE-2026-2930

Tenda A18 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

CVSS 5.3 MEDIUMEPSS 0.3%CWE-119CWE-121
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
22 Feb 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · A18

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References
https://github.com/master-abc/cve/issues/40https://vuldb.com/?ctiid.347277https://vuldb.com/?id.347277https://vuldb.com/?submit.755227https://www.tenda.com.cn/