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CVE-2026-78050

CRITICAL
9.9NVD

Summary

generated automatically from NVD data

Comfast CF-N1-S 2.6.0.1 has a stack-based buffer overflow in the Web Management component, in the function sub_41AD7C handling /cgi-bin/mbox-config?method=SET&section=ntp_timezone. Manipulating the timestr or ntp_client_enabled argument triggers the overflow, and the attack can be launched remotely. The description states that an exploit has been made public. The flaw is rated CRITICAL with a CVSS v3.1 score of 9.9 and is classified as CWE-119.

NVD 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.

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EPSS · FIRST.org

0.79%probability of exploitation in the next 30 days

Higher than 55% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.

In-depth analysis on cveo.tech

We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.

CVSS v3.1 Score

9.9
/ 10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Information

Published
23 août 2026
Updated
12 oct. 2026
Status
Deferred
Source
cna@vuldb.com

Weaknesses (CWE)

CWE-119CWE-121

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