RCE in N/a

CVE-2026-31196

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-31196: rose from 0.013 to 0.023.

EPSS over last 30 days · oldest: 0.013 · newest: 0.023 · change: +0.010

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-31196?
CVE-2026-31196 is a high-severity vulnerability in N/a, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-05-05.
How severe is CVE-2026-31196?
High severity. CVSS v3 base score is 8.8 out of 10.