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CVE-2023-6398

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 ATP是中国合勤（Zyxel）公司的一款防火墙。 Zyxel ATP 4.32 到 5.37 Patch 1固件版本存在安全漏洞，该漏洞源于允许经过身份验证的攻击者通过 FTP 在受影响的设备上执行某些操作系统命令。

CVSS 7.2 · High EPSS 1.33% · P70
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I. Basic Information for CVE-2023-6398

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A post-authentication command injection vulnerability in the file upload binary 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, USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1, NWA50AX firmware versions through 6.29(ABYW.3), WAC500 firmware versions through 6.65(ABVS.1), WAX300H firmware versions through 6.60(ACHF.1), and WBE660S firmware versions through 6.65(ACGG.1) could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device via FTP.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Zyxel ATP 安全漏洞
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固件版本存在安全漏洞，该漏洞源于允许经过身份验证的攻击者通过 FTP 在受影响的设备上执行某些操作系统命令。
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 version 4.32 through 5.37 Patch 1 -
Zyxel USG 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 -
Zyxel USG20(W)-VPN series firmware version 4.16 through 5.37 Patch 1 -
Zyxel NWA50AX firmware < 6.29(ABYW.4) -
Zyxel WAC500 firmware < 6.70(ABVS.1) -
Zyxel WAX300H firmware < 6.70(ACHF.1) -
Zyxel WBE660S firmware < 6.70(ACGG.1) -
Zyxel USG FLEX H series firmware version 1.10 through 1.10 Patch 1 -

II. Public POCs for CVE-2023-6398

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III. Intelligence Information for CVE-2023-6398

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Other References for CVE-2023-6398 (1)

Same Patch Batch · Zyxel · 2024-02-20 · 4 CVEs total

CVE-2023-6764 8.1 HIGH Zyxel ATP 格式化字符串错误漏洞
CVE-2023-6397 6.5 MEDIUM Zyxel ATP 代码问题漏洞
CVE-2023-6399 5.7 MEDIUM Zyxel ATP 格式化字符串错误漏洞

IV. Related Vulnerabilities

Same product: ATP series firmware
Same vendor: Zyxel
Same weakness: CWE-78

V. Comments for CVE-2023-6398

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