Post-Authentication Command Injection Vulnerability in Zyxel DX3300-T0 Firmware
CVE-2026-0711

6.8MEDIUM

Key Information:

Vendor

Zyxel
Status
Dx3300-t0 Firmware
Vendor
CVE Published:
28 April 2026

What is CVE-2026-0711?

A command injection vulnerability has been identified in the EasyMesh-related APIs of the Zyxel DX3300-T0 firmware. This issue allows an authenticated attacker possessing administrator privileges to execute arbitrary OS commands on the device. Such exploitation could lead to unauthorized actions affecting the integrity and security of the system. Proper remediation measures are essential to mitigate potential risks associated with this vulnerability.

Affected Version(s)

DX3300-T0 firmware <= 5.50(ABVY.7.1)C0

References

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

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.