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CVE-2026-19976

COMFAST CF-N1-S mbox-config sub_44A968 command injection

Published: Aug 17, 2026Updated: Aug 20, 2026 Sources: CVE List NVDCWE-74
6.6MEDIUM
NVD MITRE
EPSS Score
2.1%
Top 20.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

A security vulnerability has been detected in COMFAST CF-N1-S 2.6.0.1. Impacted is the function sub_44A968 of the file /cgi-bin/mbox-config?method=SET&section=ptest_macaddress. Such manipulation of the argument macaddress leads to command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-74CWE-77

Affected Products

COMFAST
commercialaka comfast cf-n1, cf-n1, cf-xr11 firmware
CF-N1-SEmbedded
Hardware Firmware / network-adapter

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/1ChaoRen1/IOT/blob/main/CF-N1-S-V2.6.0.1%20.pdf
github.com
https://vuldb.com/cve/CVE-2026-19976
vuldb.com
https://vuldb.com/submit/873821
vuldb.com
and 2 more references View all →

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