CVE-2025-3802: Tenda W12/i24 httpd cgiPingSet stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-04-19 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644). It has been declared as critical. This vulnerability affects the function cgiPingSet of the file /bin/httpd. The manipulation of the argument pingIP leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

Tenda I24 Firmware: 3.0.0.4(2887), 3.0.0.5(3644)
Tenda W12: 3.0.0.4(2887), 3.0.0.5(3644)

References

https://github.com/02Tn/vul/issues/2
https://vuldb.com/?ctiid.305656
https://vuldb.com/?id.305656
https://vuldb.com/?submit.554746
https://www.tenda.com.cn/

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