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CVE-2026-4164

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

CVSS 9.3 CRITICALEPSS 2.1%CWE-74CWE-77
Vexday Risk Score
48Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 9.3EPSS 2.1%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Lifecycle
15 Mar 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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.
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
Affected products
Wavlink · WL-WN578W2
public PoCs found — 1
cve_referencegithub.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_2/README.mdunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://dl.wavlink.com/firmware/RD/WINSTAR_WN578W2-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.binhttps://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_1/README.mdhttps://github.com/Litengzheng/vul_db/blob/main/WL-WN578W2/vul_2/README.mdhttps://vuldb.com/?ctiid.351071https://vuldb.com/?id.351071https://vuldb.com/?submit.768292https://vuldb.com/?submit.768293https://vuldb.com/?submit.768294