What is CVE-2026-1460?

CVE-2026-1460 is a high-severity vulnerability in Zyxel Dx3301-t0 Firmware, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-04-28.

How severe is CVE-2026-1460?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Zyxel Dx3301-t0 Firmware

CVE-2026-1460

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 admin…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.001 (23.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zyxel Dx3301-t0 Firmware — versions <= 5.50(ABVY.7.1)C0
Zyxel Ex3301-t0 Firmware — versions <= 5.50(ABVY.7.1)C0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security@zyxel.com.tw (vendor-advisory)

Frequently asked questions

What is CVE-2026-1460?: CVE-2026-1460 is a high-severity vulnerability in Zyxel Dx3301-t0 Firmware, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-04-28.
How severe is CVE-2026-1460?: High severity. CVSS v3 base score is 7.2 out of 10.