CVE-2025-11730

CWE-78 — OS Command Injection3 documents3 sources
Severity
7.2HIGH
EPSS
0.1%
top 76.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Zyxel ATP Series FirmwareZyxel Usg20(w)-vpn Series FirmwareZyxel USG Flex 50(w) Series Firmware+1 more
Timeline
PublishedFeb 5

Description

A post‑authentication command injection vulnerability in the Dynamic DNS (DDNS) configuration CLI command in Zyxel ATP series firmware versions from V5.35 through V5.41, USG FLEX series firmware versions from V5.35 through V5.41, USG FLEX 50(W) series firmware versions from V5.35 through V5.41, and USG20(W)-VPN series firmware versions from V5.35 through V5.41 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device by su…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 1.2 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5zyxel/usg_flex_series_firmwareversions from V5.35 through V5.41
▶CVEListV5zyxel/usg_flex_50(w)_series_firmwareversions from V5.35 through V5.41
▶CVEListV5zyxel/usg20(w)-vpn_series_firmwareversions from V5.35 through V5.41
▶CVEListV5zyxel/atp_series_firmwareversions from V5.35 through V5.41

🔴Vulnerability Details

2
CVEList
CVE-2025-11730: A post‑authentication command injection vulnerability in the Dynamic DNS (DDNS) configuration CLI command in Zyxel ATP series firmware versions from V↗2026-02-05
▶
GHSA
GHSA-vjp6-rfgp-h63q: A post‑authentication command injection vulnerability in the Dynamic DNS (DDNS) configuration CLI command in Zyxel ATP series firmware versions from V↗2026-02-05
▶