RCE in Wavlink Nu516u1
CVE-2025-10963
A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. Affected is the function sub_4016F0 of the file /cgi-bin/firewall.cgi. The manipulation of the argument del_flag results in command injection. It is possible to launch t…
EPSS: 0.006 (69.3th 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 Nu516u1 — versions M16U1_V240425
- Wavlink Wl-nu516u1
- Wavlink Wl-nu516u1_firmware — versions m16u1_v240425
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-325831 | Wavlink NU516U1 firewall.cgi sub_4016F0 command injection (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-325831 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #652784 | Wavlink NU516U1 M16U1_V240425 Command Injection (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-2025-10963?
- CVE-2025-10963 is a medium-severity vulnerability in Wavlink Nu516u1, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-09-25.
- How severe is CVE-2025-10963?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-10963 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.