CVE-2023-35138

critical · 9.8

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.

9.8

CVSS

40.0%

EPSS (exploit prob.)

99th

EPSS percentile

2023-11-30

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-78

Affected products

Vendor	Product	Affected versions
zyxel	nas326_firmware	<= 5.21\(aazf.14\)c0
zyxel	nas326	all versions
zyxel	nas542_firmware	<= 5.21\(abag.11\)c0
zyxel	nas542	all versions

Check a specific version with /api/v1/cve/match.

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2023-35138