CVE-2026-14818
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-22 |
| Vendor | zyxel |
| Product | atp series firmware |
| Published | Aug 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Zyxel / ATP series firmware
from V4.32 through V5.42 Patch 1
Zyxel / USG FLEX series firmware
from V4.50 through V5.42 Patch 1
Zyxel / USG FLEX 50(W) series firmware
from V4.16 through V5.42 Patch 1
Zyxel / USG20(W)-VPN series firmware
from V4.16 through V5.42 Patch 1