Back to Database
Status published
High
CVE-2025-13943
A post-authentication command injection vulnerability in the log file download...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-13943
Credits & Attribution
No credits recorded in the NVD database.
More from Zyxel
View All →CVE-2025-9133
A missing authorization vulnerability in Zyxel ATP series firmware versions...
High
8.1
CVE-2025-8693
A post-authentication command injection vulnerability in the "priv" parameter of...
High
8.8
CVE-2025-8078
A post-authentication command injection vulnerability in Zyxel ATP series firmware...
High
7.2
CVE-2025-7673
A buffer overflow vulnerability in the URL parser of the...
Critical
9.8
CVE-2025-6599
An uncontrolled resource consumption vulnerability in the web server of...
Medium
5.3
Affected Vendor
Zyxel
View all reports →Affected Software
EX3301-T0 firmware
Vulnerable Versions:
<= 5.50(ABVY.7)C0
Timeline
Official Publish:
February 24th, 2026
Last Modified:
February 26th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H