Post-Authentication Command Injection in Zyxel NAS326 Firmware
CVE-2023-27988

7.2HIGH

Key Information:

Vendor

Zyxel
Status
NAS326 firmware
Vendor
CVE Published:
30 May 2023

What is CVE-2023-27988?

Zyxel NAS326 devices running firmware versions before V5.21(AAZF.13)C0 are susceptible to a post-authentication command injection vulnerability. This security flaw enables an authenticated attacker with administrative access to execute arbitrary operating system commands remotely on the affected device, potentially compromising its integrity and security. Proper mitigations and updates are crucial to safeguard against this vulnerability.

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Affected Version(s)

NAS326 firmware < V5.21(AAZF.13)C0

References

https://www.zyxel.com/global/en/support/security-advisori...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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