Which versions of Wl Wn579a3 Firmware are affected by CVE-2026-2528?

Organizations using Wavlink WL-WN579A3 should be aware of moderate risk from CVE-2026-2528, a injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2026-2528?

Yes, a public proof-of-concept exploit is available for CVE-2026-2528. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2026-2528?

Within 30 days: Identify affected systems running Wavlink WL-WN579A3 and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

Wl Wn579a3 Firmware CVE-2026-2528

Q: What is the CVSS score of CVE-2026-2528?

CVE-2026-2528 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.4%.

LOW

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-02-16 cna@vuldb.com

Command Injection Wl Wn579a3 Firmware Wavlink

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 18, 2026 - 20:04 vuln.today

Public exploit code

CVE Published

Feb 16, 2026 - 02:16 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability was identified in Wavlink WL-WN579A3 up to 20210219. Affected by this vulnerability is the function Delete_Mac_list of the file /cgi-bin/wireless.cgi. The manipulation of the argument delete_list leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Command injection in the Wavlink WL-WN579A3 wireless router firmware allows authenticated remote attackers to execute arbitrary commands through the delete_list parameter in the /cgi-bin/wireless.cgi endpoint. Public exploit code exists for this vulnerability, and no vendor patch is currently available. Affected devices running firmware versions up to 20210219 face risk of complete system compromise from authenticated network access.

Technical ContextAI

Affects Wl-Wn579A3 Firmware. A vulnerability was identified in Wavlink WL-WN579A3 up to 20210219. Affected by this vulnerability is the function Delete_Mac_list of the file /cgi-bin/wireless.cgi. The manipulation of the argument delete_list leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.