CVE-2026-4163
9.8
CRITICAL · CVSS 3.1 · EPSS 3.6% (pctl 89)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.57% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-74 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2026-03-16 |
| Last modified | 2026-06-17 |
References
- 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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