OS Command Injection Vulnerability in WAVLINK WN579X3-D Router
CVE-2026-120196

9.4CRITICAL

Key Information:

Vendor

Wavlink

Status
Wn579x3-d
Vendor
CVE Published:
1 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-120196?

A security flaw has been identified in the WAVLINK WN579X3-D router, specifically within the port_forward function in the /cgi-bin/wapi.cgi file. The vulnerability allows an attacker to manipulate the 'Name' argument, resulting in OS command injection that can be exploited remotely. This could allow unauthorized commands to be executed on the device, posing significant security risks. The issue has been publicly disclosed, and users are advised to take immediate precautions to mitigate potential attacks.

Affected Version(s)

WN579X3-D V250402

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-2026-120196 - Proof of Concept

References

https://vuldb.com/vuln/429559
vdb-entrytechnical-description
https://vuldb.com/vuln/429559/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-120196
third-party-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
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

hackerpipi (VulDB User)
VulDB CNA Team
.