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CVE-2026-77683— Comfast CF-N1-S mbox-config system command injection

Quick assessment

Affected
Comfast CF-N1-S
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Comfast CF-N1-S 2.6.0.1 中发现了一个安全漏洞。受此问题影响的函数系统是位于 的文件。参数 的操作会导致命令注入。攻击可以远程发起。该漏洞的利用代码已公开，可能被用于实施攻击。

CVSS 9.9 · Critical EPSS 1.51% · P72

Affected Version Matrix 1

VendorProduct Version RangeStatus
Comfast CF-N1-S 2.6.0.1 affected
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I. Basic Information for CVE-2026-77683

Vulnerability Information
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Vulnerability Title
Comfast CF-N1-S mbox-config system command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function system of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone. The manipulation of the argument timestr results in command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Comfast CF-N1-S 2.6.0.1 cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-77683

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 5232 chars
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III. Intelligence Information for CVE-2026-77683

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Other References for CVE-2026-77683 (1)

IV. Related Vulnerabilities

Same product: CF-N1-S
Same vendor: Comfast
Same weakness: CWE-77

V. Comments for CVE-2026-77683

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