Unrated severityNVD Advisory· Published Feb 16, 2026· Updated Feb 23, 2026
Wavlink WL-NU516U1 nas.cgi sub_401218 stack-based overflow
CVE-2026-2567
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.
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Affected products
2Patches
Vulnerability mechanics
References
4- github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/nas.cgi_User1Passwd.mdmitreexploit
- vuldb.commitrethird-party-advisory
- vuldb.commitresignaturepermissions-required
- vuldb.commitrevdb-entrytechnical-description
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