Command Injection Vulnerability in Wavlink Wireless Router
CVE-2025-9149

5.3MEDIUM

Key Information:

Vendor

Wavlink

Status
Wl-nu516u1
Vendor
CVE Published:
19 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9149?

A command injection vulnerability exists in the Wavlink WL-NU516U1 wireless router, specifically in the function sub_4032E4 of the /cgi-bin/wireless.cgi file. By manipulating the Guest_ssid argument, an attacker can execute arbitrary commands remotely. This threat was made publicly known, and the potential for exploitation raises significant security concerns for users of affected versions.

Affected Version(s)

WL-NU516U1 M16U1_V240425

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-9149 - Proof of Concept

References

https://vuldb.com/?id.320528
vdb-entrytechnical-description
https://vuldb.com/?ctiid.320528
signaturepermissions-required
https://vuldb.com/?submit.629181
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

QMSSDXN (VulDB User)
.