Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-13943

Severity CVSS v4.0:
Pending analysis
Type:
CWE-78 OS Command Injections
Publication date:
24/02/2026
Last modified:
25/02/2026

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

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:zyxel:ee5301-00_firmware:*:*:*:*:*:*:*:* 5.63\(acld.2.1\)c0 (excluding)
cpe:2.3:h:zyxel:ee5301-00:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:ee3301-00_firmware:*:*:*:*:*:*:*:* 5.63\(acmu.2.1\)c0 (excluding)
cpe:2.3:h:zyxel:ee3301-00:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:dx5401-b1_firmware:*:*:*:*:*:*:*:* 5.17\(abyo.7.1\)c0 (excluding)
cpe:2.3:h:zyxel:dx5401-b1:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:dx4510-b1_firmware:*:*:*:*:*:*:*:* 5.17\(abyl.10.1\)c0 (excluding)
cpe:2.3:h:zyxel:dx4510-b1:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:dx4510-b0_firmware:*:*:*:*:*:*:*:* 5.17\(abyl.10.1\)c0 (excluding)
cpe:2.3:h:zyxel:dx4510-b0:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:dx3301-t0_firmware:*:*:*:*:*:*:*:* 5.50\(abvy.7.1\)c0 (excluding)
cpe:2.3:h:zyxel:dx3301-t0:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:dx3300-t1_firmware:*:*:*:*:*:*:*:* 5.50\(abvy.7.1\)c0 (excluding)
cpe:2.3:h:zyxel:dx3300-t1:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:dx3300-t0_firmware:*:*:*:*:*:*:*:* 5.50\(abvy.7.1\)c0 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools