Command Injection Vulnerability in Wavlink WL-WN579A3 Wireless Router
CVE-2026-2530

5.3MEDIUM

Key Information:

Vendor

Wavlink

Status
Wl-wn579a3
Vendor
CVE Published:
16 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2530?

A command injection vulnerability exists in the Wavlink WL-WN579A3 wireless router, specifically affecting the AddMac functionality in the wireless.cgi file. This weakness allows an attacker to manipulate the macAddr argument, leading to the possibility of remote execution of arbitrary commands. As the exploit is publicly available, it poses a significant security risk for devices running affected versions. The vendor was notified about this vulnerability but has yet to respond.

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Affected Version(s)

WL-WN579A3 20210219

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-2026-2530 - Proof of Concept

References

https://vuldb.com/?id.346118
vdb-entrytechnical-description
https://vuldb.com/?ctiid.346118
signaturepermissions-required
https://vuldb.com/?submit.748077
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

kdb3169 (VulDB User)
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