Stack-Based Buffer Overflow in Comfast CF-N1-S Affected by URI Parameter Manipulation
CVE-2026-76008

10CRITICAL

Key Information:

Vendor

Comfast

Status
Cf-n1-s
Vendor
CVE Published:
19 August 2026

What is CVE-2026-76008?

A vulnerability exists in the Comfast CF-N1-S device where improper parsing of URI parameters in the mbox-config component allows remote attackers to exploit a stack-based buffer overflow. This flaw is triggered by manipulating the width and height arguments within the get_para_from_uri function, potentially leading to arbitrary code execution or a denial of service. It is crucial for users of this product to apply the necessary updates and mitigate risks associated with this vulnerability.

Affected Version(s)

CF-N1-S 2.6.0.1

References

https://vuldb.com/vuln/391922
vdb-entrytechnical-description
https://vuldb.com/vuln/391922/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-76008
third-party-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ChaoRenChaoJiWuDi (VulDB User)
.