CVE-2026-3974
High
Description
A vulnerability was identified in Tenda W3 1.0.0.3(2204). This vulnerability affects the function formexeCommand of the file /goform/exeCommand of the component HTTP Handler. Such manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda W3 Firmware
PublishedMar 12, 2026
First seenMar 12, 2026
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 w3_firmware | 1.0.0.3\(2204\) | — |
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