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CVE-2026-77022

Comfast CF-N1-S SSID Configuration mbox-config sub_44B438 stack-based overflow

Published: Aug 20, 2026Updated: Aug 24, 2026 Sources: CVE List NVDCWE-119
9.9CRITICAL
NVD MITRE
EPSS Score
0.5%
Top 61.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function sub_44B438 of the file /cgi-bin/mbox-config?method=SET&section=ptest_ssid of the component SSID Configuration. The manipulation of the argument ssid results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

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
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Weaknesses

CWE-119CWE-121

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.
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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/5
github.com
https://vuldb.com/cve/CVE-2026-77022
vuldb.com
https://vuldb.com/submit/880599
vuldb.com
and 2 more references View all →

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