Vulnerability record · CVE-2026-4163 · published 16 March 2026

CVE-2026-4163: Injection vulnerability

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.

8.9 CVSS 4.0 High EPSS 3.6% · top 11.1% CWE-74 · InjectionCWE-77 · Command injection Deferred

8.9CVSS 4.0 base score, v2 10.0

3.6%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

7References

17 Jun 2026Last modified by NVD

Description

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://dl.wavlink.com/firmware/RD/WINSTAR_WN579A3-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.bin
https://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_10/README.md
https://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_9/README.md
https://vuldb.com/?ctiid.351070
https://vuldb.com/?id.351070
https://vuldb.com/?submit.765327
https://vuldb.com/?submit.765328

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Source: NIST National Vulnerability Database (record CVE-2026-4163), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.