CVE-2026-3613
High
Description
A vulnerability was identified in Wavlink WL-NU516U1 V240425. This vulnerability affects the function sub_401A0C of the file /cgi-bin/login.cgi. Such manipulation of the argument ipaddr leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.
SeverityHigh
CVSS7.2
Exploit probability—
ProductWavlink Wl-nu516u1 Firmware
PublishedMar 6, 2026
First seenMar 6, 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 |
|---|---|---|
| wavlink wl-nu516u1_firmware | m16u1_v240425 | — |
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