Command Injection Vulnerability in Comfast CF-N1 V2 Router
CVE-2026-2535

5.3MEDIUM

Key Information:

Vendor

Comfast

Status
Cf-n1 V2
Vendor
CVE Published:
16 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2535?

A command injection vulnerability exists in the Comfast CF-N1 V2 router version 2.6.0.2, specifically affecting the sub_44AB9C function within the mbox-config interface. Exploitation occurs through manipulation of the 'channel' argument, allowing remote attackers to execute arbitrary commands. This vulnerability has been publicly disclosed, and attempts to alert the vendor have gone unanswered, increasing the urgency for users to secure their devices.

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Affected Version(s)

CF-N1 V2 2.6.0.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-2535 - Proof of Concept

References

https://vuldb.com/?id.346123
vdb-entrytechnical-description
https://vuldb.com/?ctiid.346123
signaturepermissions-required
https://vuldb.com/?submit.748784
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

allanp0e (VulDB User)
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