CVE-2023-27992

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 10/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability that could allow an unauthenticated attacker to execute commands remotely via a crafted HTTP request.

CISA Known Exploited Vulnerability

Vendor / Product Zyxel — Multiple Network-Attached Storage (NAS) Devices
Date Added 2023-06-23
Remediation Due 2023-07-14
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products; https://nvd.nist.gov/vuln/detail/CVE-2023-27992

Bug Bounty Relevance

10 / 100
✓ Known exploited (KEV)
✓ High exploitation probability

CVSS Score

Unscored

EPSS — Exploitation Probability

82.26%
Raw Score 0.822640
Percentile 99.7%
Date 2026-10-28

Intelligence Sources

kev ref →