8.8

CVE-2024-40891

Warning

**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.

Data is provided by the National Vulnerability Database (NVD)
Zyxel ≫ Vmg1312-b10a Firmware Version-
   Zyxel ≫ Vmg1312-b10a Version-
Zyxel ≫ Vmg1312-b10b Firmware Version-
   Zyxel ≫ Vmg1312-b10b Version-
Zyxel ≫ Vmg1312-b10e Firmware Version-
   Zyxel ≫ Vmg1312-b10e Version-
Zyxel ≫ Vmg3312-b10a Firmware Version-
   Zyxel ≫ Vmg3312-b10a Version-
Zyxel ≫ Vmg3313-b10a Firmware Version-
   Zyxel ≫ Vmg3313-b10a Version-
Zyxel ≫ Vmg3926-b10b Firmware Version-
   Zyxel ≫ Vmg3926-b10b Version-
Zyxel ≫ Vmg4325-b10a Firmware Version-
   Zyxel ≫ Vmg4325-b10a Version-
Zyxel ≫ Vmg4380-b10a Firmware Version-
   Zyxel ≫ Vmg4380-b10a Version-
Zyxel ≫ Vmg8324-b10a Firmware Version-
   Zyxel ≫ Vmg8324-b10a Version-
Zyxel ≫ Vmg8924-b10a Firmware Version-
   Zyxel ≫ Vmg8924-b10a Version-
Zyxel ≫ Sbg3300-n000 Firmware Version-
   Zyxel ≫ Sbg3300-n000 Version-
Zyxel ≫ Sbg3300-nb00 Firmware Version-
   Zyxel ≫ Sbg3300-nb00 Version-
Zyxel ≫ Sbg3500-n000 Firmware Version-
   Zyxel ≫ Sbg3500-n000 Firmware Version-
Zyxel ≫ Sbg3500-nb00 Firmware Version-
   Zyxel ≫ Sbg3500-nb00 Version-

11.02.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Zyxel DSL CPE OS Command Injection Vulnerability

Vulnerability

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.

Description

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.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 43.47% 0.974
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
security@zyxel.com.tw 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.