CVE-2024-40891

HighActively exploited (CISA KEV)

Description

**UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the management commands of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device via Telnet.

SeverityHigh
CVSS8.8
Exploit probability—
ProductZyxel DSL CPE Devices
PublishedFeb 4, 2025
First seenFeb 4, 2025
Added to KEVFeb 11, 2025

How to fix

CISA required action

The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization if a current mitigation is unavailable.

CISA due date: Mar 4, 2025

Affected products

ProductAffected versionsFixed in
zyxel vmg4325-b10a_firmwareNo range specified—
zyxel vmg1312-b10a_firmwareNo range specified—
zyxel vmg1312-b10b_firmwareNo range specified—
zyxel vmg1312-b10e_firmwareNo range specified—
zyxel vmg3312-b10a_firmwareNo range specified—
zyxel vmg3313-b10a_firmwareNo range specified—
zyxel vmg3926-b10b_firmwareNo range specified—
zyxel vmg4380-b10a_firmwareNo range specified—
zyxel vmg8324-b10a_firmwareNo range specified—
zyxel vmg8924-b10a_firmwareNo range specified—
zyxel sbg3300-n000_firmwareNo range specified—
zyxel sbg3300-nb00_firmwareNo range specified—
zyxel sbg3500-n000_firmwareNo range specified—
zyxel sbg3500-nb00_firmwareNo range specified—

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