CVE-2026-2567

7.3 highEPSS 0.8%

High (7.3) in wavlink wl-nu516u1 firmware. EPSS 0.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

7.3 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-119, CWE-121
Published: 2026-02-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

wavlink:wl-nu516u1_firmware

References

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

Check your stack JSON