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CVE-2022-26413

Quick assessment

Affected
Zyxel VMG3312-T20A 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 VMG3312-T20A是中国合勤科技（Zyxel）公司的一款先进的 VDSL2 网关。 Zyxel VMG3312-T20A 5.30(ABFX.5)C0 版本存在安全漏洞，该漏洞源于CGI 程序中存在命令注入漏洞。经过身份验证的攻击者通过 LAN 接口在易受攻击的设备上执行任意操作系统命令。

CVSS 8.0 · High EPSS 0.70% · P50

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2022-26413

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0 could allow a local authenticated attacker to execute arbitrary OS commands on a vulnerable device via a LAN interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/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 VMG3312-T20A 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel VMG3312-T20A是中国合勤科技（Zyxel）公司的一款先进的 VDSL2 网关。 Zyxel VMG3312-T20A 5.30(ABFX.5)C0 版本存在安全漏洞，该漏洞源于CGI 程序中存在命令注入漏洞。经过身份验证的攻击者通过 LAN 接口在易受攻击的设备上执行任意操作系统命令。
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 VMG3312-T20A firmware V5.30(ABFX.5)C0 -

II. Public POCs for CVE-2022-26413

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III. Intelligence Information for CVE-2022-26413

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Other References for CVE-2022-26413 (1)

Same Patch Batch · Zyxel · 2022-04-11 · 3 CVEs total

CVE-2022-0556 7.3 HIGH Zyxel AP Configurator 安全漏洞
CVE-2022-26414 6.0 MEDIUM Zyxel VMG3312-T20A 安全漏洞

IV. Related Vulnerabilities

Same product: VMG3312-T20A firmware
Same vendor: Zyxel
Same weakness: CWE-78

V. Comments for CVE-2022-26413

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