CVE-2026-77022

CRITICAL 9.9

Comfast CF-N1-S SSID Configuration mbox-config sub_44B438 stack-based overflow

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function sub_44B438 of the file /cgi-bin/mbox-config?method=SET&section=ptest_ssid of the component SSID Configuration. The manipulation of the argument ssid results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

CWE	CWE-121 CWE-119
Vendor	comfast
Product	cf-n1-s
Published	Aug 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Comfast / CF-N1-S

2.6.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/393637 vuldb.com: https://vuldb.com/vuln/393637/cti vuldb.com: https://vuldb.com/cve/CVE-2026-77022 vuldb.com: https://vuldb.com/submit/880599 github.com: https://github.com/AdminSafe/CVE/issues/5

Credits

🔍 010hex (VulDB User)