Description
A reflected cross-site scripting (XSS) vulnerability in the CGI program "dynamic_script.cgi" of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. The attacker could obtain browser-based information if the malicious script is executed on the victim’s browser.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zyxel | ATP series firmware | versions V4.32 through V5.38 | — |
| Zyxel | USG FLEX series firmware | versions V4.50 through V5.38 | — |
| Zyxel | USG FLEX 50(W) series firmware | versions V4.16 through V5.38 | — |
| Zyxel | USG20(W)-VPN series firmware | versions V4.16 through V5.38 | — |
Advisories 2
- WID-SEC-2024-2031 Zyxel Firewall: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 20, 2024
- NCSC-2024-0357 Kwetsbaarheden verholpen in Zyxel Flex en USG Firewalls NCSC-NL (Netherlands) · Sep 3, 2024