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CVE-2023-37928

Quick assessment

Affected
Zyxel NAS326 firmware
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zyxel NAS326是中国合勤（Zyxel）公司的一款云存储 NAS。 Zyxel NAS326 V5.21(AAZF.14)C0和NAS542 V5.21(ABAG.11)C0及之前版本存在操作系统命令注入漏洞，该漏洞源于存在身份验证后命令注入漏洞，可能允许经过身份验证的攻击者通过向易受攻击的设备发送精心设计的URL执行操作系统命令。

CVSS 8.8 · High EPSS 60.20% · P99

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2023-37928

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 WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 NAS326 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel NAS326是中国合勤（Zyxel）公司的一款云存储 NAS。 Zyxel NAS326 V5.21(AAZF.14)C0和NAS542 V5.21(ABAG.11)C0及之前版本存在操作系统命令注入漏洞，该漏洞源于存在身份验证后命令注入漏洞，可能允许经过身份验证的攻击者通过向易受攻击的设备发送精心设计的URL执行操作系统命令。
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 NAS326 firmware V5.21(AAZF.14)C0 -
Zyxel NAS542 firmware V5.21(ABAG.11)C0 -

II. Public POCs for CVE-2023-37928

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III. Intelligence Information for CVE-2023-37928

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Other References for CVE-2023-37928 (2)

Same Patch Batch · Zyxel · 2023-11-30 · 6 CVEs total

CVE-2023-35138 9.8 CRITICAL Zyxel NAS326 安全漏洞
CVE-2023-4473 9.8 CRITICAL Zyxel NAS326 操作系统命令注入漏洞
CVE-2023-4474 9.8 CRITICAL Zyxel NAS326 操作系统命令注入漏洞
CVE-2023-37927 8.8 HIGH Zyxel NAS326 操作系统命令注入漏洞
CVE-2023-35137 7.5 HIGH Zyxel NAS326 授权问题漏洞

IV. Related Vulnerabilities

Same product: NAS326 firmware
Same vendor: Zyxel
Same weakness: CWE-78

V. Comments for CVE-2023-37928

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