CVE-2026-4008
High
Description
A flaw has been found in Tenda W3 1.0.0.3(2204). This issue affects some unknown processing of the file /goform/wifiSSIDset of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may 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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