CVE-2026-4163

Wavlink WL-WN579A3 POST Request wireless.cgi GuestWifi command injection

Published Mar 14, 2026 CVSS 4.0 · 9.3 Critical EPSS 2.4% KEV · Not listed
Description
A vulnerability was detected in Wavlink WL-WN579A3 220323. This issue affects the function SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Performing a manipulation results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading the affected component is recommended.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wavlink wl-wn579a3
Vendors & Products Wavlink wl-wn579a3
Type Values Removed Values Added
Description A vulnerability was detected in Wavlink WL-WN579A3 220323. This issue affects the function SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Performing a manipulation results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading the affected component is recommended.
Title Wavlink WL-WN579A3 POST Request wireless.cgi GuestWifi command injection
First Time appeared Wavlink
Wavlink wl-wn579a3 Firmware
Weaknesses CWE-74
CWE-77
CPEs cpe:2.3:o:wavlink:wl-wn579a3_firmware:*:*:*:*:*:*:*:*
Vendors & Products Wavlink
Wavlink wl-wn579a3 Firmware
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Mar 17, 2026, 2:11 PM
Reserved
Mar 14, 2026, 8:28 AM
Status
Deferred
Published
Mar 16, 2026, 2:19 PM
Modified
Jun 17, 2026, 10:56 AM