Command Injection Vulnerability in Comfast CF-AC100 Router
CVE-2026-4466

5.1MEDIUM

Key Information:

Vendor

Comfast

Status
Cf-ac100
Vendor
CVE Published:
20 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4466?

A command injection vulnerability has been identified in the Comfast CF-AC100 router, specifically in the configuration file handler located at /cgi-bin/mbox-config?method=SET&section=ntp_timezone. This vulnerability allows attackers to execute arbitrary commands remotely, potentially compromising the device. Although the vulnerability was disclosed to the vendor prior to public acknowledgement, there has been no response, raising concerns about potential exploitation in the wild. Network administrators are advised to immediately assess their systems and implement available security measures to mitigate the risk.

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Affected Version(s)

CF-AC100 2.6.0.8

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-2026-4466 - Proof of Concept

References

https://vuldb.com/?id.351756
vdb-entry
https://vuldb.com/?ctiid.351756
signaturepermissions-required
https://vuldb.com/?submit.772874
third-party-advisory

CVSS V4

Score:
5.1
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)
VulDB
JSON
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