P4Verified

CVE-2026-107837: RIOT <= 2026.07

CVE-2026-107837. CVSS 3.1 base score 8.2 (HIGH, Vendor/CNA).

Affected technology

RIOT · <= 2026.07
RIOT-OS

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

A remote attacker can send a malformed 6LoWPAN fragment that causes gnrc_sixlowpan_frag_recv() to read beyond the packet buffer, potentially disclosing memory and crashing the network stack. Vendor/CNA’s CVSS 3.1 assessment (base score 8.2/10) rates confidentiality impact as low; integrity impact as none; availability impact as high.

Published 2026-10-09 21:09:36.616519+00:00

CWE: CWE-125
CCR priority: 32.8 /100 (P4)
CVSS 3.1: 8.2 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-09 21:08:49.498434+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-107837.html