PT-2026-79102 · Comfast · Cf-N1-S

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CVE-2026-77148

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Published

2026-08-20

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Updated

2026-08-21

CVSS v3.1

9.9

Critical

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Comfast CF-N1-S version 2.6.0.1
Description A stack-based buffer overflow exists in the Web Management component. This issue occurs within the sub 44B50C() function of the '/cgi-bin/mbox-config?method=SET&section=ptest channel' endpoint. A remote attacker can exploit this by manipulating the input to trigger the overflow.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the '/cgi-bin/mbox-config?method=SET&section=ptest channel' endpoint to minimize the risk of exploitation.

Exploit

Stack Overflow

Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-77148

Affected Products

Cf-N1-S