What is CVE-2026-0711?

CVE-2026-0711 is a medium-severity vulnerability in Zyxel Dx3300-t0 Firmware, classified under OS Command Injection. CVSS score: 6.8/10. Published 2026-04-28.

How severe is CVE-2026-0711?

Medium severity. CVSS v3 base score is 6.8 out of 10.

RCE in Zyxel Dx3300-t0 Firmware

CVE-2026-0711

A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with administrator privileges to execute OS co…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.003 (51.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zyxel Dx3300-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-2026-0711?: CVE-2026-0711 is a medium-severity vulnerability in Zyxel Dx3300-t0 Firmware, classified under OS Command Injection. CVSS score: 6.8/10. Published 2026-04-28.
How severe is CVE-2026-0711?: Medium severity. CVSS v3 base score is 6.8 out of 10.