๐Ÿ›ก๏ธ CVE-2026-25139
๐Ÿ”ด CVSS 9.1 โ€” Critical โš ๏ธ Exploit Public CWE-125 NVD
9.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. In version 2025.10 and prior, multiple out-of-bounds read allow any unauthenticated user, with ability to send or manipulate input packets, to read adjacent memory locations, or crash a vulnerable device running the 6LoWPAN stack. The received packet is cast into a sixlowpan_sfr_rfrag_t struct and dereferenced without validating the packet is large enough to contain the struct object. At time of publication, no known patch exists.

Details

Severity CRITICAL
CVSS Score 9.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE CWE-125
Public Exploit โš ๏ธ Yes
Source NVD
Published 2026-02-04
Updated 2026-06-02
Modified 2026-02-20
Fix URL N/A

Affected Packages

Software From version Fixed in
riot โ€” 2025.10

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