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CVE-2026-77148

Comfast CF-N1-S Web Management mbox-config sub_44B50C stack-based overflow

Published: Aug 20, 2026Updated: Aug 24, 2026 Sources: CVE List NVDCWE-119
9.9CRITICAL
NVD MITRE
EPSS Score
0.5%
Top 61.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

A vulnerability was found in Comfast CF-N1-S 2.6.0.1. This impacts the function sub_44B50C of the file /cgi-bin/mbox-config?method=SET&section=ptest_channel of the component Web Management. The manipulation results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-119CWE-121

Affected Products

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

Exploitability

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

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/AdminSafe/CVE/issues/7
github.com
https://vuldb.com/cve/CVE-2026-77148
vuldb.com
https://vuldb.com/submit/880910
vuldb.com
and 2 more references View all →

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