CVE-2026-10189
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk40th percentile - higher than 40% of all known CVEs
Summary
A stack-based buffer overflow vulnerability was found in the cgiSysTimeInfoSet function in /bin/httpd of Tenda W12 router version 3.0.0.7(4763). Remote attack is possible by manipulating the sec argument. The exploit has been publicly disclosed.
Risk Assessment
Remote exploitation could lead to arbitrary code execution on the device, allowing an attacker to take control of the router and access the internal network.
Recommendation
Immediately update the Tenda W12 firmware to the latest version if a patch is available. In the meantime, restrict management interface access to trusted networks only.
Other vulnerabilities in Tenda W12
See all- CVE-2026-10192High
In Tenda W12 version 3.0.0.7(4763), a stack-based buffer overflow exists in the set_local_time_0 function in /bin/httpd when manipulating the Time argument. Remote exploitation is possible. The exploit is public.
- CVE-2026-10191High
In Tenda W12 version 3.0.0.7(4763), a vulnerability exists in the cgiWifiMacFilterSet function of the /bin/httpd file. Manipulation of the wifiMacFilterSet.macList.mac argument leads to a stack-based buffer overflow, which can be exploited remotely. The exploit has been publicly disclosed.
- CVE-2026-10190Medium
A vulnerability was found in Tenda W12 3.0.0.7(4763). It affects the cgiSysWebTimeoutSet function in the file /bin/httpd of the Web Management Interface component. Manipulating the web_over_time argument results in denial of service. The attack can be launched remotely. The exploit has been made public.
- CVE-2026-10188High
In Tenda W12 version 3.0.0.7(4763), a vulnerability exists in the cgistaKickOff function of the /bin/httpd file. Manipulation of the staMac argument leads to a stack-based buffer overflow, which can be exploited remotely. The exploit has been publicly disclosed.
Original NVD description (English source)
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.