CVE-2026-77148: Comfast CF-N1-S Web Management mbox-config sub_44B50C 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: 2026-08-20 · updated 2026-10-18
Weakness: CWE-119

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.

Affected products

Comfast CF-N1-S: 2.6.0.1

References

https://github.com/AdminSafe/CVE/issues/7
https://vuldb.com/cve/CVE-2026-77148
https://vuldb.com/submit/880910
https://vuldb.com/vuln/393733
https://vuldb.com/vuln/393733/cti

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