RCE in Wavlink Nu516u1
CVE-2026-8229
A vulnerability was detected in Wavlink NU516U1 240425. The affected element is the function WifiBasic of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument AuthMethod/EncrypType results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.081 (94.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.085 · newest: 0.081 · change: -0.004
Affected products
- Wavlink Nu516u1 — versions 240425
- Wavlink Wl-Nu516u1
- Wavlink Wl-Nu516u1 Firmware — versions m16u1_v240425
Weakness classification (CWE)
References
- vuldb.com/vuln/362446 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/362446/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/800734 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_8/8.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-8229?
- CVE-2026-8229 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-2026-8229?
- Medium severity. CVSS v3 base score is 6.3 out of 10.