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CVE-2026-2534

Comfast CF-N1 V2 mbox-config sub_44AC4C command injection

Published: Feb 16, 2026Updated: Apr 29, 2026 Sources: CVE List NVDCWE-74
NVD MITRE
6.3CVSSMEDIUM
EPSS Score
10.1%
Top 5.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

A vulnerability has been found in Comfast CF-N1 V2 2.6.0.2. The affected element is the function sub_44AC4C of the file /cgi-bin/mbox-config?method=SET&section=ptest_bandwidth. The manipulation of the argument bandwidth leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-74CWE-77

Affected Products

cf-n1 firmwarecomfast
Embedded
Hardware Firmware / network-adapter
CF-N1 V2Comfast
Embedded
Hardware Firmware / network-adapter
comfastcommercialHardware Firmwareaka comfast cf-n1, cf-xr11 firmware, cf-n1

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Execution
Initial Access
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References

https://github.com/jinhao118/cve/blob/main/ComFast%20Router_1.md
github.com
https://vuldb.com/?ctiid.346122
vuldb.com
https://vuldb.com/?id.346122
vuldb.com
and 1 more references View all →

Timeline

Published
Feb 16, 2026
Last Updated
Apr 29, 2026

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