Description
An improper authentication vulnerability in the authentication module of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to obtain system information by sending a crafted URL to a vulnerable device.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected products
- Zyxel / NAS326 firmwareV5.21(AAZF.14)C0 – V5.21(AAZF.14)C0
- Zyxel / NAS542 firmwareV5.21(ABAG.11)C0 – V5.21(ABAG.11)C0