RCE in Wavlink Nu516u1
CVE-2026-8190
A vulnerability was determined in Wavlink NU516U1 M16U1_V240425. Affected by this issue is the function wan of the file /cgi-bin/adm.cgi. This manipulation of the argument ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway is directly…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.001 (25.2th 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 M16U1_V240425
- 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-2026-8190?
- CVE-2026-8190 is a medium-severity vulnerability in Wavlink Nu516u1, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-09.
- How severe is CVE-2026-8190?
- Medium severity. CVSS v3 base score is 6.3 out of 10.