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CVE-2026-78050— Comfast CF-N1-S Web Management mbox-config sub_41AD7C stack-based overflow

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 版本中发现了一个漏洞。受影响的是 Web 管理组件中的 /cgi-bin/mbox-config?method=SET&section=ntp_timezone 文件的 sub_41AD7C 函数。对参数 timestr/ntp_client_enabled 的操作会导致基于栈的缓冲区溢出。攻击者可以远程发起攻击。该漏洞的利用代码（exploit）已经公开，可以被利用。

CVSS 9.9 · Critical EPSS 0.57% · P45

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-2026-78050

Vulnerability Information
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Vulnerability Title
Comfast CF-N1-S Web Management mbox-config sub_41AD7C stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Comfast CF-N1-S 2.6.0.1. The affected element is the function sub_41AD7C of the file /cgi-bin/mbox-config?method=SET&section=ntp_timezone of the component Web Management. The manipulation of the argument timestr/ntp_client_enabled results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used.
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
栈缓冲区溢出
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-2026-78050

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9790 chars
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III. Intelligence Information for CVE-2026-78050

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Vendor Advisories for CVE-2026-78050 (2)

News Coverage for CVE-2026-78050 (1)

Other References for CVE-2026-78050 (1)

IV. Related Vulnerabilities

Same product: CF-N1-S
Same vendor: Comfast
Same weakness: CWE-121

V. Comments for CVE-2026-78050

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