CVE-2023-6399 — Use of Externally-Controlled Format String in Zyxel Atp100 Firmware

CWE-134 — Use of Externally-Controlled Format String3 documents3 sources

Severity

6.5MEDIUMNVD

CNA5.7

EPSS

0.3%

top 46.10%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Zyxel Atp100 Firmware Zyxel Atp100w Firmware Zyxel Atp200 Firmware +24 more

Timeline

PublishedFeb 20

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 ho…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages27 packages

▶CVEListV5zyxel/usg_flex_series_firmwareversion 4.50 through 5.37 Patch 1

▶CVEListV5zyxel/usg_flex_h_series_firmwareversion 1.10 through 1.10 Patch 1

▶CVEListV5zyxel/usg_flex_50_series_firmwareversion 4.16 through 5.37 Patch 1

▶CVEListV5zyxel/usg20_vpn_series_firmwareversion 4.16 through 5.37 Patch 1

▶CVEListV5zyxel/atp_series_firmwareversion 4.32 through 5.37 Patch 1

🔴Vulnerability Details

CVEList

CVE-2023-6399: A format string vulnerability in Zyxel ATP series firmware versions from 4↗2024-02-20

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GHSA

GHSA-6mfv-h538-gwvr: A format string vulnerability in Zyxel ATP series firmware versions from 4↗2024-02-20

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