Format string

2024-02-2002:15:00

PRIOn knowledge base

www.prio-n.com

vulnerability

zyxel atp

usg flex

usg20(w)-vpn

dos attack

crafted hostname

firmware

ipsec vpn.

7.1 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.2%

JSON

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.