OS Command Injection in Wavlink NU516U1 Product by Wavlink
CVE-2026-8192

5.3MEDIUM

Key Information:

Vendor

Wavlink

Status
Nu516u1
Vendor
CVE Published:
9 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8192?

A security vulnerability exists in the Wavlink NU516U1 device, specifically in the wzdap function located in the /cgi-bin/adm.cgi file. An attacker can exploit this vulnerability by manipulating the EncrypType/wl_Pass argument, leading to uncontrolled execution of arbitrary commands on the operating system. This vulnerability allows remote attackers to initiate the exploit, posing significant risks to affected systems. The issue has been publicly disclosed and the vendor was informed earlier about this security flaw, warranting immediate attention for mitigation.

Affected Version(s)

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-2026-8192 - Proof of Concept

References

https://vuldb.com/vuln/362344
vdb-entrytechnical-description
https://vuldb.com/vuln/362344/cti
signaturepermissions-required
https://vuldb.com/submit/800731
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

Ziyue Xie (VulDB User)
VulDB CNA Team
.