CVE-2026-49868

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. Prior to 2026.07, parsereply in sys/net/applicationlayer/dhcpv6/client.c omits minimum-length validation before passing IAPD and IANA option bodies to sub-option parsers. A...

CVE-2026-102693

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 atwinc15x0stasetcurrentssid function uses strcpy to copy an SSID without checking the destination size. When...

CVE-2026-102692

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 number, allowing block offset multiplication to overflow on...

CVE-2026-49868 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, parsereply in sys/net/applicationlayer/dhcpv6/client.c omits minimum-length validation before passing IAPD and IANA option bodies to sub-option parsers. A...

CVE-2026-49868

The RIOT open-source microcontroller operating system is vulnerable to an unbounded out-of-bounds (OOB) heap read due to a missing minimum-length validation in the _parse_reply() function within sys/net/application_layer/dhcpv6/client.c. If MODULE_DHCPV6_CLIENT_IA_PD is enabled, a malicious or co...

CVE-2026-49868 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, parsereply in sys/net/applicationlayer/dhcpv6/client.c omits minimum-length validation before passing IAPD and IANA option bodies to sub-option parsers. A...

CVE-2026-102693 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 atwinc15x0stasetcurrentssid function uses strcpy to copy an SSID without checking the destination size. When...

CVE-2026-102693

The RIOT open-source microcontroller operating system is vulnerable to a remote stack buffer overflow in the ATWINC15x0 driver prior to version 2026.04 . The root cause is the use of strcpy within the _atwinc15x0_sta_set_current_ssid function, which copies an SSID without verifying the destinatio...

EUVD-2026-102946

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 atwinc15x0stasetcurrentssid function uses strcpy to copy an SSID without checking the destination size. When...

CVE-2026-102693 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 atwinc15x0stasetcurrentssid function uses strcpy to copy an SSID without checking the destination size. When...

EUVD-2026-102945

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 number, allowing block offset multiplication to overflow on...

CVE-2026-102692 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 number, allowing block offset multiplication to overflow on...

CVE-2026-102692 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 number, allowing block offset multiplication to overflow on...

CVE-2026-102692

The RIOT microcontroller operating system contains an integer overflow vulnerability in the nanocoap component prior to version 2026.07 . Specifically, the software fails to enforce a 20-bit maximum block number when handling CoAP Block2 option values. This allows oversized values to pass from co...

PT-2026-115663

Name of the Vulnerable Software and Affected Versions RIOT versions prior to 2026.07 Description In the DHCPv6 client, the parse reply function in sys/net/application layer/dhcpv6/client.c fails to perform minimum-length validation before passing IA PD and IA NA option bodies to sub-option parser...

CVE-2026-49868: Out-of-bounds Read

RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. Prior to 2026.07, parsereply in sys/net/applicationlayer/dhcpv6/client.c omits minimum-length validation before passing IAPD and IANA option bodies to sub-option parsers. A...

PT-2026-115661

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 number, allowing block offset multiplication to overflow on...

CVE-2026-102693: Buffer Copy without Checking Size of Input

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 atwinc15x0stasetcurrentssid function uses strcpy to copy an SSID without checking the destination size. When...

PT-2026-115662

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 without checking the destination size. When MODULE ATWINC15X0...

CVE-2026-102692: Integer Overflow or Wraparound

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 number, allowing block offset multiplication to overflow on...