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Product CVEs Exploited Latest
RIOT 28 – Oct 16, 2026 RIOT OS 1 – May 3, 2022
Exploited and recent CVEs
CVE-2026-49868
Critical 9.8
RIOT: DHCPv6 client _parse_reply() missing sub-option length check leads to size_t underflow and unbounded OOB heap read
0.4%
CVE-2026-102693
Critical 9.6
RIOT: Remote Stack Buffer Overflow in ATWINC15x0 driver via unsanitized SSID
0.2%
CVE-2026-102692
Critical 9.1
RIOT: Potential integer overflow in nanocoap Block2 handling leading to out-of-bounds memory access
0.4%
CVE-2026-107838
High 7.5
RIOT: nanocoap_fileserver ignores response initialization failure, leading to reachable assertion
0.3%
CVE-2026-107837
High 8.2
RIOT: Out-of-Bounds Read in RIOT OS 6LoWPAN SFF Fragment Handling
0.4%
CVE-2026-107836
High 7.1
RIOT: nanoCoAP Block2 client slice handling underflows on inconsistent server-controlled block size
0.3%
CVE-2026-27703
High 7.5
RIOT has an Out-of-Bounds Write in nanoCoAP Handler
0.5%
CVE-2026-25139
High 8.7
RIOT Vulnerable to Multiple Out-of-Bounds Read When Processing Received 6LoWPAN SFR Fragments
0.6%
CVE-2025-66647
Low 1.7
RIOT OS has buffer overflow in gnrc_ipv6_ext_frag_reass
1.0%
CVE-2025-66646
Low 1.7
RIOT-OS has NULL pointer dereference in gnrc_ipv6_ext_frag_reass
0.7%
CVE-2025-53888
Medium 6.6
RIOT-OS has an ineffective size check that can lead to buffer overflow in link layer address filter /sys/net/link_layer/l2filter/l2filter.c
0.9%
CVE-2024-53980
Medium 6.9
Spoofed length byte traps CC2538 in endless loop
0.8%
CVE-2024-52802
High 7.5
RIOT-OS missing dhcpv6_opt_t minimum header length check
0.8%
CVE-2024-32018
High 8.8
Ineffective size check due to assert() and buffer overflow in RIOT
1.5%
CVE-2024-32017
Critical 9.8
Buffer overflows in RIOT
1.6%
CVE-2024-31225
High 8.4
Lack of size check and buffer overflow in RIOT
1.3%
CVE-2023-33975
Critical 9.8
RIOT-OS vulnerable to Out of Bounds Write in _rbuf_add
1.5%
CVE-2023-33974
High 7.5
RIOT-OS vulnerable to Race Condition in SFR Timeout
0.7%
CVE-2023-33973
High 7.5
RIOT-OS vulnerable to NULL pointer dereference during NHC encoding
1.0%
CVE-2023-24826
Medium 5.9
Usage of Uninitialized Timer during forwarding of Fragments with SFR
0.8%
CVE-2023-24825
High 7.5
RIOT-OS vulnerable to NULL pointer dereference in gnrc_pktbuf_mark
1.0%
CVE-2023-24817
High 7.5
RIOT-OS vulnerable to Out of Bounds write in routing with SRH
0.6%
CVE-2023-24823
Critical 9.8
RIOT-OS vulnerable to Packet Type Confusion during IPHC send
1.0%
CVE-2023-24822
High 7.5
RIOT-OS vulnerable to Null Pointer dereference during IPHC encoding
0.9%
CVE-2023-24821
High 7.5
RIOT-OS vulnerable to Integer Underflow during defragmentation
0.9%
CVE-2023-24820
High 7.5
RIOT-OS vulnerable to Integer Underflow during IPHC receive
0.9%
CVE-2023-24819
Critical 9.8
RIOT-OS vulnerable to Buffer Overflow during IPHC receive
1.0%
CVE-2023-24818
High 7.5
RIOT-OS vulnerable to null pointer dereference during fragment forwarding
1.2%
CVE-2021-27427
High 7.3
RIOT OS Integer Overflow or Wraparound
1.7%