CVE-2023-37928

HIGH
8.8
CVSS Score
Published: November 30, 2023 at 01:37 AM UTC
Updated: June 17, 2026 at 06:08 AM UTC
4 products affected across 1 vendorNAS326 firmwareNAS542 firmwareNas326

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Severity
HIGH8.8
Exploit prediction
EPSS 60%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 5.21(aazf.14)c05.21(AAZF.14)C0
zyxel-nas326 (same device)
v ≤ 5.21(abag.11)c05.21(ABAG.11)C0
zyxel-nas542 (same device)
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

8.8HIGHZyxel
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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