CVE-2026-107837 RIOT - Out of Bounds Read

RIOT <= 2026.07 contains an out-of-bounds read caused by insufficient payload validation in _receive() leading to improper sixlowpan_frag_t handling, letting remote attackers cause memory disclosure and network stack crash, exploit requires sending malformed 6LoWPAN fragments.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.38% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read
Impact
Information Disclosure, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Published
9 October 2026
Updated
15 October 2026
Weakness
CWE-125

Vendor fix

Update to a fixed version once available or apply patches addressing the fragment handling vulnerability.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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