Description
A post-authentication command injection vulnerability in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
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 / NAS326 firmwareV5.21(AAZF.14)C0 – V5.21(AAZF.14)C0
- Zyxel / NAS542 firmwareV5.21(ABAG.11)C0 – V5.21(ABAG.11)C0
References
- VENDOR_ADVISORYhttps://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products
- MISChttps://bugprove.com/knowledge-hub/cve-2023-37927-and-cve-2023-37928-multiple-post-auth-blind-os-command-and-python-code-injection-vulnerabilities-in-zyxel-s-nas-326-devices/