Command Injection Vulnerability in Zyxel's DX3301-T0 and EX3301-T0 Products
CVE-2026-1460

7.2HIGH

Key Information:

Vendor

Zyxel
Status
Dx3301-t0 Firmware
Ex3301-t0 Firmware
Vendor
CVE Published:
28 April 2026

What is CVE-2026-1460?

A command injection vulnerability exists in the 'DomainName' parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware. This allows an authenticated attacker with administrator privileges the ability to execute arbitrary OS commands on the affected devices. Implementing security measures is essential to protect against potential exploits targeting this vulnerability.

Affected Version(s)

DX3301-T0 firmware <= 5.50(ABVY.7.1)C0

EX3301-T0 firmware <= 5.50(ABVY.7.1)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

.