CVE-2026-75364

Published: Aug 26, 2026Modified: Aug 31, 2026Deferred

6.8

Vector

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitability: 0.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Comfast CF-N1-S firmware 2.6.0.1 and CF-WR630AX (2024-01-30 build), the update_interface_png SET handler in /usr/bin/webmgnt fails to sanitize the display_name parameter. User-controlled input is concatenated via sprintf() into the unquoted shell command `/etc/rrd/graphinterface %s %s` and executed by system() with root privileges. A remote authenticated attacker can inject arbitrary commands

Related CWEs

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (1)

https://github.com/Flechao1/iot-vuln/tree/main/cve-pocs/CVE-2026-75364

Source: cve@mitre.org

Timeline

No history available yet.