CVE-2026-19976CWE-74CWE-77command-injection

CVE-2026-19976

Medium · published August 17, 2026

CVSS v3.1
6.6
EPSS
3%
Percentile
86.7
In the wild
Unconfirmed
What it is

A security vulnerability has been detected in COMFAST CF-N1-S 2.6.0.1. Impacted is the function sub_44A968 of the file /cgi-bin/mbox-config?method=SET&section=ptest_macaddress. Such manipulation of the argument macaddress leads to command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v3.1
6.6 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
CVSS v4.0
5.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P
EPSS
0.02871 · 86.7th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-08-17T07:16Z
References (5)
https://github.com/1ChaoRen1/IOT/blob/main/CF-N1-S-V2.6.0.1%20.pdf · [email protected]https://vuldb.com/cve/CVE-2026-19976 · [email protected]https://vuldb.com/submit/873821 · [email protected]https://vuldb.com/vuln/391155 · [email protected]https://vuldb.com/vuln/391155/cti · [email protected]
EPSS history
Timeline
  • 17 AUG 02:45Z
    COMFAST CF-N1-S mbox-config sub_44A968 command injection
    cvelistv5