CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: Mar 4, 2025

High

CISA KEV

CVE-2024-40891

Zyxel—DSL CPE Devices

Multiple Zyxel DSL CPE devices contain a post-authentication command injection vulnerability in the management commands that could allow an authenticated attacker to execute OS commands via Telnet.

Required Action

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-insecure-default-credentials-vulnerabilities-in-certain-legacy-dsl-cpe-02-04-2025 ; https://www.zyxel.com/service-provider/global/en/security-advisories/zyxel-security-advisory-command-injection-insecure-in-certain-legacy-dsl-cpe-02-04-2025 ; https://nvd.nist.gov/vuln/detail/CVE-2024-40891

Vulnerability Overview

Severity: High
CISA KEV: Yes
Ransomware: Unknown
Published: Feb 11, 2025
KEV Added: Feb 11, 2025
Due Date: Mar 4, 2025
Related Articles: 0

Vendor

Zyxel

DSL CPE Devices