Description
The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker to execute some OS commands remotely.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Zyxel / ATP series firmware4.32 through 5.35 – 4.32 through 5.35
- Zyxel / USG20(W)-VPN firmware4.16 through 5.35 – 4.16 through 5.35
- Zyxel / USG FLEX 50(W) firmware4.16 through 5.35 – 4.16 through 5.35
- Zyxel / USG FLEX series firmware4.50 through 5.35 – 4.50 through 5.35
- Zyxel / VPN series firmware4.30 through 5.35 – 4.30 through 5.35