Priority HIGH 76
An issue was discovered in Contiki through 3.0 and Contiki-NG through 4.5.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.59089 · Published 2020-12-11 · No fix listed CWE-120
Priority MEDIUM 51
An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00989 · Published 2024-01-23 · No fix listed CWE-770
Priority MEDIUM 51
In Contiki 4.5, TCP ISNs are improperly random.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.01716 · Published 2023-10-10 · No fix listed CWE-330
Priority MEDIUM 51
contiki-ng version 4 contains a Buffer Overflow vulnerability in AQL (Antelope Query Language) database engine that can result in Attacker can perform Remote Code Execution on device using Contiki-NG operating system.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.063 · Published 2018-10-08 · No fix listed CWE-119
Priority MEDIUM 51
An issue was discovered in the MQTT server in Contiki-NG before 4.2.
CVSS 3.0CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.05692 · Published 2018-11-21 · No fix listed CWE-119
Priority MEDIUM 50
Contiki-NG is an operating system for Internet of Things devices.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00638 · Published 2023-04-26 · No fix listed CWE-125
Priority MEDIUM 49
The Contiki-NG operating system versions 4.8 and prior can be triggered to dereference a NULL pointer in the message handling code for IPv6 router solicitiations.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00644 · Published 2023-05-08 · No fix listed CWE-476
Priority MEDIUM 49
Buffer over-read vulnerability in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers obtain sensitive information via crafted input to dtls_ccm_decrypt_message().
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00658 · Published 2024-01-24 · No fix listed CWE-125
Priority MEDIUM 47
Contiki-NG's MQTT client parse_publish_vhdr() in os/net/app-layer/mqtt/mqtt.c sets topic_len_received=1 before checking topic_len against the 64-byte limit, so an over-length topic returns early but leaves the flag set.
CVSS 4.0CRITICAL 9.2· Network · No auth · No interaction · EPSS 0.00919 · Published 2026-08-06 · Fixed in a34a2dbdc8bea784bd2ae5079aa4be520cd74f2d CWE-787
Priority MEDIUM 47
Contiki-NG is an open-source, cross-platform operating system for IoT devices.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.0216 · Published 2022-08-04 · Fixed in 4.7 CWE-120
Priority MEDIUM 47
Buffer over-read vulnerability in the dtls_sha256_update function in Contiki-NG tinyDTLS through master branch 53a0d97 allows remote attackers to cause a denial of service via crafted data packet.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00836 · Published 2024-01-24 · No fix listed CWE-125
Priority MEDIUM 47
Buffer overflows were discovered in Contiki-NG 4.4 through 4.5, in the SNMP bulk get request response encoding function.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02502 · Published 2020-08-18 · No fix listed CWE-787
Priority MEDIUM 46
Contiki-NG is an operating system for internet of things devices.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00505 · Published 2023-06-14 · No fix listed CWE-125
Priority MEDIUM 46
An issue was discovered in Contiki-NG through 4.3 and Contiki through 3.0.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02174 · Published 2020-04-23 · No fix listed CWE-787
Priority MEDIUM 45
Contiki-NG's LwM2M TLV parser lwm2m_tlv_read() in os/services/lwm2m/lwm2m-tlv.c ignores its caller-supplied buffer length argument and reads up to six bytes from the input buffer with no bounds check.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00718 · Published 2026-08-06 · Fixed in f1673b5766d4d4d514cefb8a0350f43653574997 CWE-125
Priority MEDIUM 45
Buffer overflows were discovered in Contiki-NG 4.4 through 4.5, in the SNMP agent.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01422 · Published 2020-08-18 · No fix listed CWE-787
Priority MEDIUM 45
Buffer overflows were discovered in Contiki-NG 4.4 through 4.5, in the SNMP agent.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.0154 · Published 2020-08-18 · No fix listed CWE-787
Priority MEDIUM 44
Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices.
CVSS 3.1HIGH 8.6· Network · No auth · No interaction · EPSS 0.00508 · Published 2024-02-14 · Fixed in 4.9 CWE-125
Priority MEDIUM 44
Contiki-NG is an open-source, cross-platform operating system for IoT devices.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00561 · Published 2024-11-27 · No fix listed CWE-674
Priority MEDIUM 44
Contiki-NG is an open-source, cross-platform operating system for internet of things (IoT) devices.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00687 · Published 2023-03-17 · No fix listed CWE-120
Priority MEDIUM 44
An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01181 · Published 2024-01-22 · No fix listed CWE-755
Priority MEDIUM 44
Contiki-NG is an open-source, cross-platform operating system for internet of things devices.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00993 · Published 2021-06-18 · Fixed in 4.5 CWE-120
Priority MEDIUM 44
Contiki-NG is an open-source, cross-platform operating system for internet of things devices.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00918 · Published 2021-06-18 · Fixed in 4.6 CWE-120
Priority MEDIUM 44
Contiki-NG is an open-source, cross-platform operating system for internet of things devices.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01064 · Published 2021-06-18 · Fixed in 4.6 CWE-787
Priority MEDIUM 43
Contiki-NG is an open-source, cross-platform operating system for IoT devices.
CVSS 3.1CRITICAL 9.6· Adjacent network · No auth · No interaction · EPSS 0.00294 · Published 2024-11-27 · No fix listed CWE-125
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