CVE-2026-76008: Stack-based Buffer Overflow in Comfast CF-N1-S
CVE-2026-76008 is a critical stack-based buffer overflow vulnerability in Comfast CF-N1-S version 2.6.0.1. It exists in the get_para_from_uri function within the /cgi-bin/mbox-config component, triggered by manipulation of the width/height URI parameters. The flaw allows remote attackers to cause a buffer overflow, potentially leading to severe impacts such as remote code execution. No official patch or remediation guidance is currently available from the vendor.
AI Analysis
Technical Summary
This vulnerability affects Comfast CF-N1-S version 2.6.0.1. The issue is a stack-based buffer overflow in the get_para_from_uri function of the /cgi-bin/mbox-config URI Parameter Parsing component. The overflow is caused by improper handling of the width and height arguments, which can be manipulated remotely. The CVSS 4.0 base score is 10.0, indicating critical severity with network attack vector, no required privileges or user interaction, and high impact on confidentiality, integrity, and availability. No known exploits are reported in the wild, and no vendor remediation or patch is currently documented.
Potential Impact
Successful exploitation can lead to a stack-based buffer overflow, which may allow remote attackers to execute arbitrary code, cause denial of service, or compromise the device. The vulnerability is remotely exploitable without authentication or user interaction, making it highly dangerous if exploited.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting network access to the affected device's management interface to trusted sources only and monitor for unusual activity related to the /cgi-bin/mbox-config endpoint.
CVE-2026-76008: Stack-based Buffer Overflow in Comfast CF-N1-S
Description
CVE-2026-76008 is a critical stack-based buffer overflow vulnerability in Comfast CF-N1-S version 2.6.0.1. It exists in the get_para_from_uri function within the /cgi-bin/mbox-config component, triggered by manipulation of the width/height URI parameters. The flaw allows remote attackers to cause a buffer overflow, potentially leading to severe impacts such as remote code execution. No official patch or remediation guidance is currently available from the vendor.
CVSS v4.0
Score 10.0critical
Affected software
cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Comfast CF-N1-S version 2.6.0.1. The issue is a stack-based buffer overflow in the get_para_from_uri function of the /cgi-bin/mbox-config URI Parameter Parsing component. The overflow is caused by improper handling of the width and height arguments, which can be manipulated remotely. The CVSS 4.0 base score is 10.0, indicating critical severity with network attack vector, no required privileges or user interaction, and high impact on confidentiality, integrity, and availability. No known exploits are reported in the wild, and no vendor remediation or patch is currently documented.
Potential Impact
Successful exploitation can lead to a stack-based buffer overflow, which may allow remote attackers to execute arbitrary code, cause denial of service, or compromise the device. The vulnerability is remotely exploitable without authentication or user interaction, making it highly dangerous if exploited.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting network access to the affected device's management interface to trusted sources only and monitor for unusual activity related to the /cgi-bin/mbox-config endpoint.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-18T18:53:46.811Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8519dfc6e8be03320fdaed
Added to database: 08/19/2026, 02:50:07 UTC
Last enriched: 08/19/2026, 03:04:20 UTC
Last updated: 08/19/2026, 03:45:07 UTC
Views: 19
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