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I. Basic Information for CVE-2023-6399
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用外部控制的格式字符串
Source: NVD (National Vulnerability Database)
Vulnerability Title
Zyxel ATP 格式化字符串错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel ATP是中国合勤（Zyxel）公司的一款防火墙。 Zyxel ATP 4.32 到 5.37 Patch 1固件版本存在格式化字符串错误漏洞，该漏洞源于允许经过身份验证的 IPSec VPN 用户通过向受影响的设备发送精心设计的主机名，导致deviceid守护程序拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
ZyxelATP series firmware version 4.32 through 5.37 Patch 1 -
ZyxelUSG FLEX series firmware version 4.50 through 5.37 Patch 1 -
Zyxel USG FLEX 50(W) series firmware version 4.16 through 5.37 Patch 1 -
ZyxelUSG20(W)-VPN series firmware version 4.16 through 5.37 Patch 1 -
ZyxelUSG FLEX H series firmware version 1.10 through 1.10 Patch 1 -
II. Public POCs for CVE-2023-6399
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III. Intelligence Information for CVE-2023-6399
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IV. Related Vulnerabilities
Same product: ATP series firmware
Same vendor: Zyxel
Same weakness: CWE-134
V. Comments for CVE-2023-6399

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