Get real-time updates on Telegram
CVE-2025-66646: riot before 2025.10 (exclusive), 2025.10 · update rc1, 2025.10 · update rc2 (+1 more affected versions); +1 more…
CVE-2025-66646. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.00679 (percentile 0.50995), scored 12-Oct-2026.
Affected technology
riot · before 2025.10 (exclusive)
riot-os
riot · 2025.10 · update rc1
riot-os
riot · 2025.10 · update rc2
riot-os
riot · 2025.10 · update rc3
riot-os
RIOT · < 2025.10
RIOT-OS
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Vendor/CNA’s CVSS 4.0 assessment (base score 1.7/10) rates confidentiality and integrity impact as none; availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-476
- CCR priority
- 30.2 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · NVD
- EPSS
- 0.00679 · percentile 0.50995 · 2026-10-12
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-13 13:56:14.349801+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-66646.html