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CVE-2026-12814— Comfast CF-WR631AX V3 API Endpoint mbox-config system os command injection

Quick assessment

Affected
Comfast CF-WR631AX V3
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.

Comfast cf-wr631ax v3是中国Comfast公司的一款路由器设备。 Comfast CF-WR631AX V3存在命令注入漏洞，该漏洞源于API Endpoint组件的/cgi-bin/mbox-config?section=ping_config文件中对参数destination的操作导致os命令注入。以下版本受到影响：2.7.0.0版本、2.7.0.1版本、2.7.0.2版本、2.7.0.3版本、2.7.0.4版本、2.7.0.5版本、2.7.0.6版本、2.7.0.7版本和2.7.

CVSS 6.3 · Medium EPSS 1.99% · P80

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 9

VendorProduct Version RangeStatus
Comfast CF-WR631AX V3 2.7.0.0 affected
2.7.0.1 affected
2.7.0.2 affected
2.7.0.3 affected
2.7.0.4 affected
2.7.0.5 affected
2.7.0.6 affected
2.7.0.7 affected
… +1 more rows
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I. Basic Information for CVE-2026-12814

Vulnerability Information
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Vulnerability Title
Comfast CF-WR631AX V3 API Endpoint mbox-config system os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in Comfast CF-WR631AX V3 up to 2.7.0.8. This issue affects the function system of the file /cgi-bin/mbox-config?section=ping_config of the component API Endpoint. This manipulation of the argument destination causes os command injection. The attack is possible to be carried out remotely. The exploit has been published 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
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
Comfast cf-wr631ax v3 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Comfast cf-wr631ax v3是中国Comfast公司的一款路由器设备。 Comfast CF-WR631AX V3存在命令注入漏洞，该漏洞源于API Endpoint组件的/cgi-bin/mbox-config?section=ping_config文件中对参数destination的操作导致os命令注入。以下版本受到影响：2.7.0.0版本、2.7.0.1版本、2.7.0.2版本、2.7.0.3版本、2.7.0.4版本、2.7.0.5版本、2.7.0.6版本、2.7.0.7版本和2.7.
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-WR631AX V3 2.7.0.0 cpe:2.3:a:comfast:cf-wr631ax_v3:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-12814

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III. Intelligence Information for CVE-2026-12814

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News Coverage for CVE-2026-12814 (1)

IV. Related Vulnerabilities

Same product: CF-WR631AX V3
Same vendor: Comfast
Same weakness: CWE-78

V. Comments for CVE-2026-12814

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