CVE-2026-31196Patch

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-78

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Full discourse1 post

DFIR Lab@DFIR_Lab139d
Patch
🚨 HIGH: CVE-2026-31196 (CVSS 8.8) - Command injection in ALTICE LABS/SFR France GR140DG/GR140IG routers. Authenticated attackers can execute arbitrary commands as root via traceroute handler. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel https://t.co/PFnGAa34F3
Post summary
CVE‑2026‑31196 is a high‑severity command injection vulnerability in ALTICE LABS/SFR France routers that allows authenticated attackers to execute arbitrary commands as root via the traceroute handler; patch is urgently recommended.
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