A post-authentication command injection vulnerability in the log file download function of the Zyxel EX3301-T0 firmware versions through 5.50(ABVY.7)C0 could allow an authenticated attacker to execute operating system (OS) commands on an affected device.

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Tue, 24 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 24 Feb 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Zyxel
Zyxel ex3301-t0 Firmware
Vendors & Products Zyxel
Zyxel ex3301-t0 Firmware

Tue, 24 Feb 2026 03:00:00 +0000

Type Values Removed Values Added
Description A post-authentication command injection vulnerability in the log file download function of the Zyxel EX3301-T0 firmware versions through 5.50(ABVY.7)C0 could allow an authenticated attacker to execute operating system (OS) commands on an affected device.
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Zyxel

Published:

Updated: 2026-02-24T16:03:07.932Z

Reserved: 2025-12-03T05:34:37.708Z

Link: CVE-2025-13943

cve-icon Vulnrichment

Updated: 2026-02-24T16:03:00.566Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-24T03:16:00.407

Modified: 2026-02-24T14:13:49.320

Link: CVE-2025-13943

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-24T09:53:13Z

Weaknesses