# CVE-2026-4163

## Summary

- **CVE ID:** CVE-2026-4163
- **Severity:** CRITICAL
- **CVSS Score:** 10 (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)
- **CWE:** CWE-77, CWE-74
- **Published:** Mar 14, 2026
- **Last Modified:** Mar 17, 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.

## Affected Products

- Wavlink — WL-WN579A3 (220323)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 2.10%
- **EPSS Percentile:** 80.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._