CVE-2024-40891

Known Exploited

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 43.02% Top 5%
KEV Since 
Vendor Advisory zyxel.com
Affected: Zyxel VMG4325-B10A firmware
Published at:
Updated at:

References

Link Tags
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 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-40891?
CVE-2024-40891 has been scored as a high severity vulnerability.
How to fix CVE-2024-40891?
To fix CVE-2024-40891, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-40891 being actively exploited in the wild?
It is confirmed that CVE-2024-40891 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~43% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-40891?
CVE-2024-40891 affects Zyxel VMG4325-B10A firmware.
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