CVE-2025-9791

High

Description

A weakness has been identified in Tenda AC20 16.03.08.05. This vulnerability affects unknown code of the file /goform/fromAdvSetMacMtuWan. This manipulation of the argument wanMTU causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited.

SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda Ac20 Firmware
PublishedSep 1, 2025
First seenSep 1, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
tenda ac20_firmware16.03.08.5—

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