CVE-2026-31196HIGH 8.8EPSS p66.1%

CVE-2026-31196CVE-2026-31196

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS1.27% probability of exploitation · percentile 66.1% · 2026-06-18T12:00:27Z
Published2026-05-05
Last modified2026-06-15

Underlying weaknesses· 1

CWE-78

References

  1. http://altice.com
  2. http://gr140dg.com
  3. https://xerod.ai/advisories/XEROD-2026-0002

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.