CVE-2025-11845

MEDIUM

Zyxel VMG3625-T50B/WX3100-T0 - DoS

Title source: llm

Description

A null pointer dereference vulnerability in the certificate downloader CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.6)C0 and the Zyxel WX3100-T0 firmware versions through 5.50(ABVL.4.8)C0 could allow an authenticated attacker with administrator privileges to trigger a denial-of-service (DoS) condition by sending a crafted HTTP request.

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 4.9

EPSS 0.0011

EPSS Percentile 30.0%

Attack Vector NETWORK

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

Classification

CWE

CWE-476

Status published

Affected Products (50)

zyxel/lte3301-plus_firmware < 1.00\(abqu.9\)c0

zyxel/nebula_fwa505_firmware < 1.60\(acko.2\)v0

zyxel/nebula_fwa510_firmware < 1.60\(acgd.0\)c0

zyxel/nebula_fwa515_firmware < 1.60\(acpz.0\)v0

zyxel/nebula_fwa710_firmware < 1.60\(acgc.1\)v0

zyxel/ee5301-00_firmware < 5.63\(acld.2.1\)c0

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

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

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

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

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

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

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

zyxel/nebula_lte3301-plus_firmware < 1.18\(acca.6\)v0

zyxel/ee6510-10_firmware < 5.19\(acjq.4.1\)c0

... and 35 more

Timeline

Published Feb 24, 2026

Tracked Since Feb 24, 2026