CVE-2026-14818
📛 CVE Title
CVE-2026-14818
Description
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- Zyxel
- CVSS severity
- HIGH
- CVSS score
- 7.2 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H- Effective score
- 7.2 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-22 - Reserved
- 2026-07-06
- Published
- 2026-08-04 02:28 UTC
- Last updated
- 2026-08-04 18:45 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/14xxx/CVE-2026-14818.json
- Linked Threat
- CVE-2026-14818 — CVE-2026-14818
Affected products (4)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Zyxel | ATP series firmware |
from V4.32 through V5.42 Patch 1 (affected)
|
— |
| Zyxel | USG FLEX series firmware |
from V4.50 through V5.42 Patch 1 (affected)
|
— |
| Zyxel | USG FLEX 50(W) series firmware |
from V4.16 through V5.42 Patch 1 (affected)
|
— |
| Zyxel | USG20(W)-VPN series firmware |
from V4.16 through V5.42 Patch 1 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-14818.json.
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