CVE-2025-13943

HIGH

Zyxel EX3301-T0 <5.50(ABVY.7)C0 - Command Injection

Title source: llm

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.

Exploits (1)

github WORKING POC 5 stars

by hacefresko · pythonpoc

https://github.com/hacefresko/CVEs/tree/main/CVE-2025-13943

View Code ZIP pw:eip

References (1)

[Various Sources] https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026

Scores

CVSS v3 8.8

EPSS 0.0005

EPSS Percentile 15.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-78

Status published

Products (50)

zyxel/am7510-00_firmware < 5.63\(acoe.0.1\)c0

zyxel/ax7501-b1_firmware < 5.17\(abpc.7.1\)c0

zyxel/dm4200-b0_firmware < 5.17\(acbs.1.6\)c0

zyxel/dx3300-t0_firmware < 5.50\(abvy.7.1\)c0

zyxel/dx3300-t1_firmware < 5.50\(abvy.7.1\)c0

zyxel/dx3301-t0_firmware < 5.50\(abvy.7.1\)c0

zyxel/dx4510-b0_firmware < 5.17\(abyl.10.1\)c0

zyxel/dx4510-b1_firmware < 5.17\(abyl.10.1\)c0

zyxel/dx5401-b1_firmware < 5.17\(abyo.7.1\)c0

zyxel/ee3301-00_firmware < 5.63\(acmu.2.1\)c0

... and 40 more

Published Feb 24, 2026

Tracked Since Feb 24, 2026