Description
A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zyxel | USG FLEX series firmware | 4.50 through 5.36 Patch 2 | — |
| Zyxel | VPN series firmware | 4.20 through 5.36 Patch 2 | — |
Advisories 1
- WID-SEC-2023-1765 Zyxel Firewall: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 17, 2023