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.

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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)
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