CVE-2026-31196

Description

The traceroute diagnostic handler in /bin/httpd_clientside for ALTICE LABS / SFR France GR140DG and GR140IG fibre CPE/Router/Gateway, 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.

References

• http://altice.com
• http://gr140dg.com
• https://xerod.ai/advisories/XEROD-2026-0002