CVE-2026-75364CWE-78command-injection

CVE-2026-75364

Medium · published August 27, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00409 · 34.0th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-08-27T01:16Z
References (1)
https://github.com/Flechao1/iot-vuln/tree/main/cve-pocs/CVE-2026-75364 · [email protected]
EPSS history
Timeline
  • 28 AUG 06:53Z
    EPSS moved — → 0%
    epss
  • 26 AUG 00:00Z
    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…
    cvelistv5