CVE-2026-4163
Wavlink WL-WN579A3 POST Request wireless.cgi GuestWifi command injection
- State
- Published
- Severity
- 9.3 Critical
- Published
- Mar 14, 2026
- Updated
- Mar 17, 2026
- Reserved
- Mar 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | 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 | VulDB |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C | VulDB |
| 3.0 | 9.8 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C | VulDB |
| 2.0 | 10.0 High | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
WL-WN579A3Wavlink |
|
References
- VDB-351070 | Wavlink WL-WN579A3 POST Request wireless.cgi GuestWifi command injectionvdb-entrytechnical-description
- VDB-351070 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #765327 | Wavlink WL-WN579A3 V220323 Command Injectionthird-party-advisory
- Submit #765328 | Wavlink WL-WN579A3 V220323 Command Injection (Duplicate)third-party-advisory
- https://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_9/README.mdrelated
- https://github.com/Litengzheng/vul_db/blob/main/WL-WN579A3/vul_10/README.mdexploit
- https://dl.wavlink.com/firmware/RD/WINSTAR_WN579A3-A-2026-03-10-94f93d4-WO-mt7628-squashfs-sysupgrade.binpatch
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.