CVE-2026-2567
Last modified
CVE-2026-2567 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. A vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wavlink | Wl-Nu516u1 Firmware | <= 2025-12-08 |
References
- https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/nas.cgi_User1Passwd.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.346174Permissions Required, VDB Entry
- https://vuldb.com/?id.346174Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.752016Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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