CVE-2026-31196

HIGH

ALTICE LABS GR140DG/GR140IG - Command Injection

Title source: llm
STIX 2.1

Description

OS command injection vulnerability in the traceroute diagnostic handler in /bin/httpd_clientside in ALTICE LABS / SFR France GR140DG Fibre Router with firmware 3GN8020801R13, 3GN8020802R0A, or 3GN8020803R0A inserts unsanitized user input into a system() call, allowing authenticated remote attackers to execute arbitrary commands as root via crafted destAddr parameters using shell command substitution.

Scores

CVSS v3 8.8
EPSS 0.0064
EPSS Percentile 45.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Published May 05, 2026
Tracked Since May 05, 2026