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RIOT vulnerabilities

CVEs whose affected-version data names the RIOT package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.

8 CVEsRSS

CVE-2026-49868Critical· 9.8
today

RIOT: DHCPv6 client _parse_reply() missing sub-option length check leads to size_t underflow and unbounded OOB heap read

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. Prior to 2026.07, _parse_reply() in sys/net/application_layer/dhcpv6/client.c omits minimum-length validation bef…

▾ MidnightRIOT-OS · RIOTvia CVEORG
CVE-2026-102693Critical· 9.6
today

RIOT: Remote Stack Buffer Overflow in ATWINC15x0 driver via unsanitized SSID

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. Prior to 2026.04, the ATWINC15x0 driver's _atwinc15x0_sta_set_current_ssid function uses strcpy to copy an SSID w…

▾ MidnightRIOT-OS · RIOTvia CVEORG
CVE-2026-102692Critical· 9.1
today

RIOT: Potential integer overflow in nanocoap Block2 handling leading to out-of-bounds memory access

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. Prior to 2026.07, nanocoap accepts oversized CoAP Block2 option values without enforcing the 20-bit maximum block…

▾ MidnightRIOT-OS · RIOTvia CVEORG
CVE-2026-107838High· 7.5
1w ago

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. From version 2023.07 through version 2026.07, nanocoap_fileserver callers in sys/net/application_layer/nanocoap/f…

▾ TwilightRIOT-OS · RIOTEPSS 0.34%via NVD
CVE-2026-107837High· 8.2
1w ago

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. In 2026.07 and earlier, _receive() in sys/net/gnrc/network_layer/sixlowpan/gnrc_sixlowpan.c can route an undersiz…

▾ TwilightRIOT-OS · RIOTEPSS 0.38%via NVD
CVE-2026-107836High· 7.1
1w ago

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. In 2026.07 and earlier, the nanoCoAP client function nanocoap_sock_get_slice() in sys/net/application_layer/nanoc…

▾ TwilightRIOT-OS · RIOTEPSS 0.29%via NVD
CVE-2025-66647Critical· 9.8
10mo ago

RIOT 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· 7.5
10mo ago

RIOT 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
RIOT vulnerabilities (CVEs) · VulnSea