Critical severity · published Aug 22, 2026
CVE-2026-78050
Comfast CF-N1-S Web Management mbox-config sub_41AD7C stack-based overflow
9.9
CVSS
0.8%
EPSS
No
On KEV
Description
A vulnerability was found in Comfast CF-N1-S 2.6.0.1. The affected element is the function sub_41AD7C of the file /cgi-bin/mbox-config?method=SET§ion=ntp_timezone of the component Web Management. The manipulation of the argument timestr/ntp_client_enabled results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
CF-N1-S · Comfast
2.6.0.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-78050
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-78050
github.com
https://github.com/AdminSafe/CVE/issues/9
vuldb.com
https://vuldb.com/cve/CVE-2026-78050
vuldb.com
https://vuldb.com/submit/881293
vuldb.com
https://vuldb.com/vuln/394291
vuldb.com
https://vuldb.com/vuln/394291/cti
More from CF-N1-S
10.0
CVE-2026-94003
Comfast CF-N1-S Web Management mbox-config get_css_path_from_uri stack-based overflow
10.0
CVE-2026-76008
Comfast CF-N1-S URI Parameter Parsing mbox-config get_para_from_uri stack-based overflow
9.9
CVE-2026-77683
Comfast CF-N1-S mbox-config system command injection
9.9
CVE-2026-77148
Comfast CF-N1-S Web Management mbox-config sub_44B50C stack-based overflow
9.9
CVE-2026-77022
Comfast CF-N1-S SSID Configuration mbox-config sub_44B438 stack-based overflow