CVE-2025-8810
High
Description
A vulnerability classified as critical was found in Tenda AC20 16.03.08.05. Affected by this vulnerability is the function strcpy of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda Ac20 Firmware
PublishedAug 10, 2025
First seenAug 10, 2025
Weakness typeCWE-121CWE-121CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tenda ac20_firmware | 16.03.08.05 | — |
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