Vulnerability Monitor

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CVE-2023-35138

A command injection vulnerability in the “show_zysync_server_contents” function 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 execute some operating system (OS) commands by sending a crafted HTTP POST request.

Published

2023-11-30T02:15:42.737

Last Modified

2024-11-21T08:08:00.743

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses

Type: Secondary
CWE-78
Type: Primary
CWE-78

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	zyxel	nas326_firmware	≤ 5.21\(aazf.14\)c0	Yes
Hardware	zyxel	nas326	-	No
Operating System	zyxel	nas542_firmware	≤ 5.21\(abag.11\)c0	Yes
Hardware	zyxel	nas542	-	No

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products Patch, Vendor Advisory ([email protected])
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)