Command Injection Vulnerability in Wavlink WL-WN579A3 Wireless Router
CVE-2026-2528

5.3MEDIUM

Key Information:

Vendor

Wavlink

Status
Wl-wn579a3
Vendor
CVE Published:
16 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2528?

A command injection vulnerability exists in the Wavlink WL-WN579A3 wireless router affecting the Delete_Mac_list function within the /cgi-bin/wireless.cgi script. The flaw allows an attacker to manipulate the argument delete_list, potentially leading to unauthorized command execution on the device. As the exploit is readily available, it poses a significant risk for remote exploitation, emphasizing the importance of prompt attention to security updates. Despite prior notification to the vendor, there has been no response regarding the matter.

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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-2026-2528 - Proof of Concept

References

https://vuldb.com/?id.346116
vdb-entrytechnical-description
https://vuldb.com/?ctiid.346116
signaturepermissions-required
https://vuldb.com/?submit.748075
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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