AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2023-6399

MEDIUM · CVSS 5.7 EPSS 0.65%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-02-20 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.7. See the original NVD description below for full technical details.

CVE
CVE-2023-6399
Severity
MEDIUM
CVSS
5.7
EPSS
0.65%

Original NVD Description

A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1, and USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1 could allow an authenticated IPSec VPN user to cause DoS conditions against the “deviceid” daemon by sending a crafted hostname to an affected device if it has the “Device Insight” feature enabled.

Related CVEs

Other vulnerabilities affecting the same vendor(s)