CVE-2026-1460

State: Published
Severity: 7.2 High
Published: Apr 28, 2026
Updated: Apr 29, 2026
Reserved: Jan 27, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.2 High	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	Zyxel

Weaknesses

CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')

Affected Products

Product	Versions
DX3301-T0 firmwareZyxel	<= 5.50(ABVY.7.1)C0Affected
EX3301-T0 firmwareZyxel	<= 5.50(ABVY.7.1)C0Affected

References

https://www.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-04-28-2026vendor-advisory

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