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.

EPSS: 0.056 (92.1th 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

Weakness classification (CWE)

Public proof-of-concept exploits

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 (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.