CVE-2026-4043: Tenda i12 wifiSSIDget formwrlSSIDget 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: yes
Published: 2026-03-12 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

Tenda i12: 1.0.0.6(2204)

References

https://github.com/Jimi-Lab/cve/issues/3
https://vuldb.com/?ctiid.350655
https://vuldb.com/?id.350655
https://vuldb.com/?submit.769464
https://www.tenda.com.cn/

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