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CVE-2024-6343

Quick assessment

Affected
Zyxel ATP series firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel USG20W-VPN等都是中国合勤（Zyxel）公司的产品。Zyxel USG20W-VPN是一款用于公司环境的防火墙设备。Zyxel ATP series firmware是一系列防火墙固件。Zyxel USG FLEX series firmware是一系列安全设备固件。 Zyxel多款产品存在安全漏洞。攻击者利用该漏洞通过发送特制的HTTP请求来导致拒绝服务。以下产品及版本受到影响：Zyxel ATP V4.32版本至V5.38版本、USG FLEX V4.50版本至V5.38版本、US

CVSS 4.9 · Medium EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2024-6343

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel USG20W-VPN等都是中国合勤（Zyxel）公司的产品。Zyxel USG20W-VPN是一款用于公司环境的防火墙设备。Zyxel ATP series firmware是一系列防火墙固件。Zyxel USG FLEX series firmware是一系列安全设备固件。 Zyxel多款产品存在安全漏洞。攻击者利用该漏洞通过发送特制的HTTP请求来导致拒绝服务。以下产品及版本受到影响：Zyxel ATP V4.32版本至V5.38版本、USG FLEX V4.50版本至V5.38版本、US
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

Vendor Product Affected Versions CPE Subscribe
Zyxel ATP series firmware versions V4.32 through V5.38 -
Zyxel USG FLEX series firmware versions V4.50 through V5.38 -
Zyxel USG FLEX 50(W) series firmware versions V4.16 through V5.38 -
Zyxel USG20(W)-VPN series firmware versions V4.16 through V5.38 -

II. Public POCs for CVE-2024-6343

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III. Intelligence Information for CVE-2024-6343

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Same Patch Batch · Zyxel · 2024-09-03 · 9 CVEs total

CVE-2024-7261 9.8 CRITICAL Zyxel多款产品 操作系统命令注入漏洞
CVE-2024-42057 8.1 HIGH Zyxel多款产品 操作系统命令注入漏洞
CVE-2024-42058 7.5 HIGH Zyxel多款产品 代码问题漏洞
CVE-2024-5412 7.5 HIGH Zyxel VMG8825-T50K 安全漏洞
CVE-2024-42060 7.2 HIGH Zyxel多款产品 操作系统命令注入漏洞
CVE-2024-42059 7.2 HIGH Zyxel多款产品 安全漏洞
CVE-2024-7203 7.2 HIGH Zyxel ATP series firmware和Zyxel USG FLEX series firmware 操作系统命令注入漏洞
CVE-2024-42061 6.1 MEDIUM Zyxel多款产品 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: ATP series firmware
Same vendor: Zyxel
Same weakness: CWE-120

V. Comments for CVE-2024-6343

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