RCE in Wavlink Wl-Nu516u1
CVE-2025-9149
A vulnerability was determined in Wavlink WL-NU516U1 M16U1_V240425. This impacts the function sub_4032E4 of the file /cgi-bin/wireless.cgi. This manipulation of the argument Guest_ssid causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
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: 0.051 (92.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.056 · newest: 0.051 · change: -0.005
Affected products
- Wavlink Wl-Nu516u1 — versions M16U1_V240425
- Wavlink Wl-Nu516u1 Firmware — versions m16u1_v240425
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md (related, Exploit, Third Party Advisory)
- github.com/lin-3-start/lin-cve/blob/main/Wavlink/Wavlink.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-9149?
- CVE-2025-9149 is a medium-severity vulnerability in Wavlink Wl-Nu516u1, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-08-19.
- How severe is CVE-2025-9149?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-9149 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.