Command Injection Vulnerability in Wavlink NU516U1 Firewall
CVE-2025-10964

5.3MEDIUM

Key Information:

Vendor

Wavlink

Status
Nu516u1
Vendor
CVE Published:
25 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10964?

A security flaw has been discovered in the Wavlink NU516U1 device, specifically within the sub_401B30 function of the /cgi-bin/firewall.cgi file. This vulnerability allows an attacker to manipulate the remoteManagementEnabled argument, potentially leading to command injection. This means that attackers could execute arbitrary commands remotely, compromising the security of the device. Public exploits are available, raising concerns for users who have not patched this vulnerability. The vendor has been previously informed about this issue but has not responded.

Affected Version(s)

NU516U1

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-2025-10964 - Proof of Concept

References

https://vuldb.com/?id.325832
vdb-entrytechnical-description
https://vuldb.com/?ctiid.325832
signaturepermissions-required
https://vuldb.com/?submit.652785
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

panda_0x1 (VulDB User)
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