CVE-2026-10189: Tenda W12 httpd cgiSysTimeInfoSet 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 has been found in Tenda W12 3.0.0.7(4763). This vulnerability affects the function cgiSysTimeInfoSet of the file /bin/httpd. The manipulation of the argument sec 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 W12: 3.0.0.7(4763)

References

http://cdn2.v50to.cc/cgiSysTimeInfoSet_overflow.zip
https://vuldb.com/cve/CVE-2026-10189
https://vuldb.com/submit/820021
https://vuldb.com/vuln/367470
https://vuldb.com/vuln/367470/cti
https://www.tenda.com.cn/

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