Post-Authentication Command Injection in Zyxel DSL Routers
CVE-2024-11253

7.2HIGH

Key Information:

Vendor

Zyxel
Status
Vmg8825-t50k Firmware
Vendor
CVE Published:
11 March 2025

What is CVE-2024-11253?

A vulnerability exists in the Zyxel VMG8825-T50K firmware that allows authenticated attackers with administrator privileges to execute arbitrary operating system commands via the 'DNSServer' parameter during diagnostic processes. This security flaw could lead to unauthorized control over the device, posing significant risks to network integrity and data security.

Affected Version(s)

VMG8825-T50K firmware <= V5.50(ABOM.8.5)C0

References

https://www.zyxel.com/global/en/support/security-advisori...
vendor-advisory

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.