CVE-2026-4163criticalCWE-74CWE-77

CVE-2026-4163: critical vulnerability in Wavlink WL-WN579A3

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

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48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.3epss 2.4%
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.
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-WN579A3
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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