CVE-2026-4164

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

State: Published
Severity: 9.3 Critical
Published: Mar 15, 2026
Updated: Mar 17, 2026
Reserved: Mar 14, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	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	VulDB
3.1	9.8 Critical	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	VulDB
3.0	9.8 Critical	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	VulDB
2.0	10.0 High	AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-77 Command Injection
CWE-74 Injection

Affected Products

Product	Versions
WL-WN578W2Wavlink	221110Affected

References

VDB-351071 | Wavlink WL-WN578W2 POST Request wireless.cgi GuestWifi command injectionvdb-entrytechnical-description
VDB-351071 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #768292 | Wavlink WL-WN578W2 V221110 Command Injectionthird-party-advisory
Submit #768293 | Wavlink WL-WN578W2 V221110 Command Injection (Duplicate)third-party-advisory
Submit #768294 | Wavlink WL-WN578W2 V221110 Command Injection (Duplicate)third-party-advisory
https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_1/README.mdrelated
https://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_2/README.mdexploit
https://dl.wavlink.com/firmware/RD/WINSTAR_WN578W2-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.binpatch

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.