CVE-2026-4164

Wavlink WL-WN578W2 POST Request wireless.cgi GuestWifi command injection

Published Mar 15, 2026 CVSS 4.0 · 9.3 Critical EPSS 2.3% KEV · Not listed
Description
A flaw has been found in Wavlink WL-WN578W2 221110. Impacted is the function Delete_Mac_list/SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Executing a manipulation can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. It is recommended to upgrade the affected component.

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': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wavlink wl-wn578w2
Vendors & Products Wavlink wl-wn578w2
Type Values Removed Values Added
Description A flaw has been found in Wavlink WL-WN578W2 221110. Impacted is the function Delete_Mac_list/SetName/GuestWifi of the file /cgi-bin/wireless.cgi of the component POST Request Handler. Executing a manipulation can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. It is recommended to upgrade the affected component.
Title Wavlink WL-WN578W2 POST Request wireless.cgi GuestWifi command injection
First Time appeared Wavlink
Wavlink wl-wn578w2 Firmware
Weaknesses CWE-74
CWE-77
CPEs cpe:2.3:o:wavlink:wl-wn578w2_firmware:*:*:*:*:*:*:*:*
Vendors & Products Wavlink
Wavlink wl-wn578w2 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, 1:42 PM
Reserved
Mar 14, 2026, 12:21 PM
Status
Deferred
Published
Mar 16, 2026, 2:19 PM
Modified
Jun 17, 2026, 10:56 AM