CVE-2026-3044: Tenda AC8 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-24 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary 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.

Affected products

Tenda AC8: 16.03.34.06

References

https://github.com/master-abc/cve/issues/43
https://vuldb.com/?ctiid.347400
https://vuldb.com/?id.347400
https://vuldb.com/?submit.757240
https://www.tenda.com.cn/

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