CVE-2026-14818: high-severity vulnerability in Zyxel ATP series firmware
Published
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.2epss 0.6%
A path traversal vulnerability in the CLI command used to execute configuration files in Zyxel ATP series firmware versions from V4.32 through V5.42 Patch 1, USG FLEX series firmware versions from V4.50 through V5.42 Patch 1, USG FLEX 50(W) series firmware versions from V4.16 through V5.42 Patch 1, and USG20(W)-VPN series firmware versions from V4.16 through V5.42 Patch 1 could allow an authenticated attacker with administrator privileges to execute a crafted malicious configuration file on an affected device.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
Zyxel · ATP series firmwareZyxel · USG20(W)-VPN series firmwareZyxel · USG FLEX 50(W) series firmwareZyxel · USG FLEX series firmwareRelated CVEs — Zyxel ATP series firmware
In the same product, most dangerous first.