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CVE-2026-2823— Comfast CF-E7 webmggnt mbox-config sub_41ACCC command injection

Quick assessment

Affected
Comfast CF-E7
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.

Comfast CF-E7是中国四海众联（Comfast）公司的一款无线路由器。 Comfast CF-E7 2.6.0.9版本存在命令注入漏洞，该漏洞源于webmggnt组件中文件/cgi-bin/mbox-config?method=SET§ion=ntp_timezone的函数sub_41ACCC对参数timestr的错误操作，可能导致命令注入攻击。

CVSS 6.3 · Medium EPSS 16.79% · P97
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I. Basic Information for CVE-2026-2823

Vulnerability Information
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Vulnerability Title
Comfast CF-E7 webmggnt mbox-config sub_41ACCC command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Comfast CF-E7 2.6.0.9. The impacted element is the function sub_41ACCC of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone of the component webmggnt. Performing a manipulation of the argument timestr results in command injection. The attack is possible to be carried out remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Comfast CF-E7 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Comfast CF-E7是中国四海众联（Comfast）公司的一款无线路由器。 Comfast CF-E7 2.6.0.9版本存在命令注入漏洞，该漏洞源于webmggnt组件中文件/cgi-bin/mbox-config?method=SET§ion=ntp_timezone的函数sub_41ACCC对参数timestr的错误操作，可能导致命令注入攻击。
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
Comfast CF-E7 2.6.0.9 cpe:2.3:o:comfast:cf-e7_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-2823

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III. Intelligence Information for CVE-2026-2823

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IV. Related Vulnerabilities

Same product: CF-E7
Same vendor: Comfast
Same weakness: CWE-77

V. Comments for CVE-2026-2823

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