CVE-2025-4368: Tenda AC8 MtuSetMacWan formGetRouterStatus buffer overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-06 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability, which was classified as critical, was found in Tenda AC8 16.03.34.06. Affected is the function formGetRouterStatus of the file /goform/MtuSetMacWan. The manipulation of the argument shareSpeed leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

Tenda AC8: 16.03.34.06

References

https://github.com/fjl1113/cve/blob/main/Tenda.md
https://vuldb.com/?ctiid.307488
https://vuldb.com/?id.307488
https://vuldb.com/?submit.564812
https://www.tenda.com.cn/

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