CVE-2026-78050: Comfast CF-N1-S Web Management mbox-config sub_41AD7C stack-based overflow

Severity: critical (CVSS 9.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-23 · updated 2026-10-12
Weakness: CWE-119

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&section=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.

Affected products

Comfast CF-N1-S: 2.6.0.1

References

https://github.com/AdminSafe/CVE/issues/9
https://vuldb.com/cve/CVE-2026-78050
https://vuldb.com/submit/881293
https://vuldb.com/vuln/394291
https://vuldb.com/vuln/394291/cti

Get alerted when CVE-2026-78050 or the next vulnerability affects your stack