CVE-2026-10191: Tenda W12 httpd cgiWifiMacFilterSet stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-31 · updated 2026-07-22
Weakness: CWE-119

Description

A vulnerability was determined in Tenda W12 3.0.0.7(4763). Impacted is the function cgiWifiMacFilterSet of the file /bin/httpd. This manipulation of the argument wifiMacFilterSet.macList.mac causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

Tenda W12: 3.0.0.7(4763)

References

http://cdn2.v50to.cc/cgiWifiMacFilterSet_overflow.zip
https://vuldb.com/cve/CVE-2026-10191
https://vuldb.com/submit/820023
https://vuldb.com/vuln/367472
https://vuldb.com/vuln/367472/cti
https://www.tenda.com.cn/

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