OS Command Injection Vulnerability in Wavlink NU516U1 Product
CVE-2026-8229

5.3MEDIUM

Key Information:

Vendor

Wavlink

Status
Nu516u1
Vendor
CVE Published:
10 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8229?

A vulnerability has been identified in the Wavlink NU516U1 device, specifically within the function WifiBasic of the /cgi-bin/wireless.cgi file. By manipulating the AuthMethod and EncrypType arguments, an attacker can execute arbitrary commands on the system. This exploitation can occur remotely, and the details of the vulnerability have been made publicly available, highlighting the need for users to implement adequate security measures.

Affected Version(s)

NU516U1 240425

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-2026-8229 - Proof of Concept

References

https://vuldb.com/vuln/362446
vdb-entrytechnical-description
https://vuldb.com/vuln/362446/cti
signaturepermissions-required
https://vuldb.com/submit/800734
third-party-advisory

EPSS Score

5% chance of being exploited in the next 30 days.

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

Ziyue Xie (VulDB User)
VulDB CNA Team
.