CVE-2025-13943
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-78 |
| Vendor | zyxel |
| Product | ex3301-t0 firmware |
| Published | Feb 24, 2026 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Zyxel / EX3301-T0 firmware
<= 5.50(ABVY.7)C0