Description
A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zyxel | ATP series firmware | 5.37 | — |
| Zyxel | USG FLEX series firmware | 5.37 | — |
| Zyxel | USG FLEX 50(W) series firmware | 5.37 | — |
| Zyxel | USG20(W)-VPN series firmware | 5.37 | — |
Advisories 1
- WID-SEC-2023-3017 Zyxel Firewall: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 27, 2023