riot-os has 2 CVEs on record. The median CVSS is 8.7 (high), with 1 rated critical.
CVEs per month
Last 12 months, by publish date
1125/111225/120126/010226/020326/030426/040526/050626/060726/070826/080926/091026/10
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 8.7
- Publish → KEV
- —
- Last 90 days
- 0 prev 0
2
Total CVEs
1
Critical
0
CISA KEV
0
Exploited
Worst active — by depth score
CVE-2025-66647Critical· 9.8RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices54CVE-2025-66646High· 7.5RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices41
riot-os vulnerabilities
CVEs affecting riot-os, newest first. Open any entry for full detail, references, and exploit status.
2 CVEsRSS
CVE-2025-66647Critical· 9.8RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementatio…
▾ Midnightriot-os · riotEPSS 0.97%via NVD
CVE-2025-66646High· 7.5RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementatio…
▾ Twilightriot-os · riotEPSS 0.68%via NVD