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I. Basic Information for CVE-2023-6764
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A format string vulnerability in a function of the IPSec VPN feature 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, and USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1 could allow an attacker to achieve unauthorized remote code execution by sending a sequence of specially crafted payloads containing an invalid pointer; however, such an attack would require detailed knowledge of an affected device’s memory layout and configuration.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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至5.37 Patch 1版本存在格式化字符串错误漏洞，该漏洞源于IPSec VPN功能存在格式字符串漏洞。
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 -
ZyxelUSG 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 -
II. Public POCs for CVE-2023-6764
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III. Intelligence Information for CVE-2023-6764
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IV. Related Vulnerabilities
Same product: ATP series firmware
Same vendor: Zyxel
Same weakness: CWE-134
V. Comments for CVE-2023-6764

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