Description
A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.60 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.60 through 5.36 Patch 2, and VPN series firmware versions 4.60 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the list of trusted RADIUS clients in advance.
CVSS breakdown
CVSS 3.1
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Zyxel / ATP series firmware4.60 through 5.36 Patch 2 – 4.60 through 5.36 Patch 2
- Zyxel / USG20(W)-VPN series firmware4.60 through 5.36 Patch 2 – 4.60 through 5.36 Patch 2
- Zyxel / USG FLEX 50(W) series firmware4.60 through 5.36 Patch 2 – 4.60 through 5.36 Patch 2
- Zyxel / USG FLEX series firmware4.60 through 5.36 Patch 2 – 4.60 through 5.36 Patch 2
- Zyxel / VPN series firmware4.60 through 5.36 Patch 2 – 4.60 through 5.36 Patch 2