CVE-2026-4043: high-severity vulnerability in Tenda i12
Tenda i12 wifiSSIDget formwrlSSIDget stack-based overflow
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.6%
A security vulnerability has been detected in Tenda i12 1.0.0.6(2204). The impacted element is the function formwrlSSIDget of the file /goform/wifiSSIDget. Such manipulation of the argument index leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · i12Related CVEs — Tenda i12
In the same product, most dangerous first.
CVE-2026-4042HIGHTenda i12 WifiMacFilterGet formWifiMacFilterGet stack-based overflowEPSS 0.8%CVE-2026-4041HIGHTenda i12 exeCommand vos_strcpy stack-based overflowEPSS 0.8%CVE-2026-5849MEDIUMTenda i12 HTTP path traversalEPSS 0.6%CVE-2026-5609HIGHTenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflowEPSS 0.6%