PT-2026-35646 · Zyxel · Dx3301-T0 Firmware+1

Published 2026-04-28 · Updated 2026-04-28 · CVE-2026-1460

NVD

CVSS v3.1

7.2

High

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-1460

Affected Products

Dx3301-T0 Firmware

Ex3301-T0 Firmware

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-1460 · Security Note
• https://zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-04-28-2026 · Vendor Advisory