MEDIUM · 6.8

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 ad...

Vulnerability Description

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 commands on an affected device.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ZyxelNr5307 Firmware< 2.00\(acjt.3\)c0
ZyxelNr5307-
ZyxelNebula Fwa515 Firmware< 1.60\(acpz.0\)v0
ZyxelNebula Fwa515-
ZyxelDx3300-T0 Firmware< 5.50\(abvy.7.2\)c0
ZyxelDx3300-T0-
ZyxelDx3300-T1 Firmware< 5.50\(abvy.7.2\)c0
ZyxelDx3300-T1-
ZyxelDx3301-T0 Firmware< 5.50\(abvy.7.2\)c0
ZyxelDx3301-T0-
ZyxelDx5401-B0 Firmware< 5.17\(abyo.7.2\)c0
ZyxelDx5401-B0-
ZyxelDx5401-B1 Firmware< 5.17\(abyo.7.2\)c0
ZyxelDx5401-B1-
ZyxelEe3301-00 Firmware< 5.63\(acmu.3.1\)c0
ZyxelEe3301-00-
ZyxelEe5301-00 Firmware< 5.63\(acld.3.1\)c0
ZyxelEe5301-00-
ZyxelEe6510-10 Firmware< 5.19\(acjq.4.2\)c0
ZyxelEe6510-10-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-0711?

CVE-2026-0711 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 ad...

How severe is CVE-2026-0711?

CVE-2026-0711 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-0711?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Nr5307 Firmware, Zyxel Nr5307, Zyxel Nebula Fwa515 Firmware, Zyxel Nebula Fwa515, Zyxel Dx3300-T0 Firmware.