CVE-2026-2567

HIGH 7.2

Wavlink WL-NU516U1 nas.cgi sub_401218 stack-based overflow

CVSS Score

7.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	wavlink
Product	wl-nu516u1
Published	Feb 16, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Wavlink / WL-NU516U1

20251208

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.346174 vuldb.com: https://vuldb.com/?ctiid.346174 vuldb.com: https://vuldb.com/?submit.752016 github.com: https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/nas.cgi_User1Passwd.md

Credits

🔍 haimianbaobao (VulDB User)