AUGUST 4, 2026
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Case File

CVE-2023-22916

HIGH · CVSS 8.1 EPSS 0.69%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-04-24 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

CVE
CVE-2023-22916
Severity
HIGH
CVSS
8.1
EPSS
0.69%

Original NVD Description

The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50(W) firmware versions 5.10 through 5.35, USG20(W)-VPN firmware versions 5.10 through 5.35, and VPN series firmware versions 5.00 through 5.35, which fails to properly sanitize user input. A remote unauthenticated attacker could leverage the vulnerability to modify device configuration data, resulting in DoS conditions on an affected device if the attacker could trick an authorized administrator to switch the management mode to the cloud mode.

Related CVEs

Other vulnerabilities affecting the same vendor(s)