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…
EPSS: 0.014 (81.1th 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 Wl-nu516u1 — versions M16U1_V240425
- Wavlink Wl-nu516u1_firmware — versions m16u1_v240425
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-320528 | Wavlink WL-NU516U1 wireless.cgi sub_4032E4 command injection (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-320528 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #629181 | Wavlink WL-NU516U1-A M16U1_V240425 Buffer Overflow (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (related, Exploit, Third Party Advisory)
- cna@vuldb.com (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.