RCE in Wavlink Nu516u1
CVE-2026-8228
A security vulnerability has been detected in Wavlink NU516U1 240425. Impacted is the function advance of the file /cgi-bin/wireless.cgi. Such manipulation of the argument wlan_conf/Channel/skiplist/ieee_80211h leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly 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: 0.078 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% 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: 0.078 · change: -0.007
Affected products
- Wavlink Nu516u1 — versions 240425
- Wavlink Wl-Nu516u1
- Wavlink Wl-Nu516u1 Firmware — versions m16u1_v240425
Weakness classification (CWE)
References
- vuldb.com/vuln/362445 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/362445/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/800733 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_7/7.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-8228?
- CVE-2026-8228 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-2026-8228?
- Medium severity. CVSS v3 base score is 6.3 out of 10.