CVE-2026-2567
High
Description
A vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. Performing a manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.
SeverityHigh
CVSS7.2
Exploit probability—
ProductWavlink Wl-nu516u1 Firmware
PublishedFeb 16, 2026
First seenFeb 16, 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 | v ≤ 2025-12-08 | — |
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