RCE in Wavlink Nu516u1
CVE-2026-8230
A flaw has been found in Wavlink NU516U1 240425. The impacted element is the function sys_login1 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.059 (92.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Wavlink Nu516u1 — versions 240425
- Wavlink Wl-nu516u1
- Wavlink Wl-nu516u1_firmware — versions m16u1_v240425
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-8230?
- CVE-2026-8230 is a medium-severity vulnerability in Wavlink Nu516u1, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-10.
- How severe is CVE-2026-8230?
- Medium severity. CVSS v3 base score is 6.3 out of 10.