CVE-2026-76008
Comfast CF-N1-S URI Parameter Parsing mbox-config get_para_from_uri stack-based overflow
Description
A flaw has been found in Comfast CF-N1-S 2.6.0.1. This affects the function get_para_from_uri of the file /cgi-bin/mbox-config of the component URI Parameter Parsing. This manipulation of the argument width/height causes stack-based buffer overflow. The attack can be initiated remotely.
INFO
Published Date :
Aug. 19, 2026, 3:16 a.m.
Last Modified :
Aug. 19, 2026, 3:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update Comfast CF-N1-S firmware to the latest version.
- Apply vendor patches for URI parameter parsing component.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-76008.
| URL | Resource |
|---|---|
| https://github.com/1ChaoRen1/IOT_3 | |
| https://vuldb.com/cve/CVE-2026-76008 | |
| https://vuldb.com/submit/878007 | |
| https://vuldb.com/vuln/391922 | |
| https://vuldb.com/vuln/391922/cti |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-76008 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-76008
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-76008 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-76008 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Aug. 19, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*'], 'vendor': 'Comfast', 'modules': ['URI Parameter Parsing'], 'product': 'CF-N1-S', 'versions': [{'status': 'affected', 'version': '2.6.0.1'}]}] Added Description A flaw has been found in Comfast CF-N1-S 2.6.0.1. This affects the function get_para_from_uri of the file /cgi-bin/mbox-config of the component URI Parameter Parsing. This manipulation of the argument width/height causes stack-based buffer overflow. The attack can be initiated remotely. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CWE CWE-119 Added CWE CWE-121 Added Reference https://github.com/1ChaoRen1/IOT_3 Added Reference https://vuldb.com/cve/CVE-2026-76008 Added Reference https://vuldb.com/submit/878007 Added Reference https://vuldb.com/vuln/391922 Added Reference https://vuldb.com/vuln/391922/cti