CVE-2026-31195 Command injection in n/a
Authenticated attackers can execute arbitrary root commands on ALTICE LABS SFR France GR140DG Fibre Routers via OS command injection in the ping handler.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-31195?
CVE-2026-31195 is a high-severity command injection vulnerability in n/a, published on 5 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OS command injection vulnerability in the ping 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-31195?
How do I fix CVE-2026-31195?
No fix has been published for CVE-2026-31195 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-31195 being exploited?
There is no known exploitation of CVE-2026-31195 in the wild and no public exploit code.
Sources
Also known as GHSA-48q2-ffv8-pgrw.