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 affects the get_para_from_uri function in the /cgi-bin/mbox-config component, specifically in URI parameter parsing. The vulnerability is triggered by manipulating the width/height argument remotely, potentially allowing an attacker to execute arbitrary code or cause a denial of service.
AI Analysis
Technical Summary
This vulnerability exists in Comfast CF-N1-S version 2.6.0.1 within the get_para_from_uri function of the /cgi-bin/mbox-config URI Parameter Parsing component. The flaw is a stack-based buffer overflow caused by improper handling of the width/height argument, which can be exploited remotely without authentication. The CVSS v4.0 score is 10.0, indicating critical severity with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code or cause a denial of service on the affected device. The vulnerability requires no privileges or user interaction and can be triggered over the network, making it highly exploitable.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the vulnerable service and monitor for suspicious activity related to the /cgi-bin/mbox-config URI.
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 affects the get_para_from_uri function in the /cgi-bin/mbox-config component, specifically in URI parameter parsing. The vulnerability is triggered by manipulating the width/height argument remotely, potentially allowing an attacker to execute arbitrary code or cause a denial of service.
CVSS v4.0
Score 10.0critical
Affected software
Comfast
CF-N1-S
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 exists in Comfast CF-N1-S version 2.6.0.1 within the get_para_from_uri function of the /cgi-bin/mbox-config URI Parameter Parsing component. The flaw is a stack-based buffer overflow caused by improper handling of the width/height argument, which can be exploited remotely without authentication. The CVSS v4.0 score is 10.0, indicating critical severity with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code or cause a denial of service on the affected device. The vulnerability requires no privileges or user interaction and can be triggered over the network, making it highly exploitable.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the vulnerable service and monitor for suspicious activity related to the /cgi-bin/mbox-config URI.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-18T18:53:46.811Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a8519dfc6e8be03320fdaed
Added to database: 08/19/2026, 02:50:07 UTC
Last enriched: 09/11/2026, 10:04:36 UTC
Last updated: 10/02/2026, 15:12:53 UTC
Views: 167
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