VulnerabilityDeferred
CVE-2026-4163
A vulnerability was detected in Wavlink WL-WN579A3 220323.
HIGH 8.9EPSS 2.10%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 8.9 HIGHCVSS: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/M
- EPSS
- 2.10% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-77
- Source
- cna@vuldb.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.