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Vulnerability record · CVE-2018-1000804 · published 8 October 2018

CVE-2018-1000804: Contiki-ng memory buffer overflow vulnerability

Contiki Ng · Contiki Ng

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. This attack appear to be exploitable via Attacker must be able to run malicious AQL code (e.g. via SQL-like Injection attack).

9.8 CVSS 3.1 Critical EPSS 6.3% · top 6.6% CWE-119 · Memory buffer overflow
9.8CVSS 3.1 base score, v2 10.0
6.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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. This attack appear to be exploitable via Attacker must be able to run malicious AQL code (e.g. via SQL-like Injection attack).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/contiki-ng/contiki-ng/issues/594 ExploitThird Party Advisory
https://github.com/contiki-ng/contiki-ng/pull/624 PatchThird Party Advisory
https://github.com/contiki-ng/contiki-ng/issues/594 ExploitThird Party Advisory
https://github.com/contiki-ng/contiki-ng/pull/624 PatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2018-19417Contiki-ng memory buffer overflow vulnerabilityAn issue was discovered in the MQTT server in Contiki-NG before 4.2. The function parse_publish_vhdr() that parses MQTT PUBLISH messages with a varia…EPSS 5.7%9.8CVE-2023-31129Contiki-ng null pointer dereference vulnerabilityThe 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 so…EPSS 0.64%9.8CVE-2023-28116Contiki-ng classic buffer overflow vulnerabilityContiki-NG is an open-source, cross-platform operating system for internet of things (IoT) devices. In versions 4.8 and prior, an out-of-bounds write…EPSS 0.69%9.8CVE-2022-35927Contiki-ng classic buffer overflow vulnerabilityContiki-NG is an open-source, cross-platform operating system for IoT devices. In the RPL-Classic routing protocol implementation in the Contiki-NG o…EPSS 2.1%9.8CVE-2021-21280Contiki-ng out-of-bounds write vulnerabilityContiki-NG is an open-source, cross-platform operating system for internet of things devices. It is possible to cause an out-of-bounds write in versi…EPSS 1.1%9.8CVE-2021-21281Contiki-ng classic buffer overflow vulnerabilityContiki-NG is an open-source, cross-platform operating system for internet of things devices. A buffer overflow vulnerability exists in Contiki-NG ve…EPSS 0.92%9.8CVE-2021-21282Contiki-ng classic buffer overflow vulnerabilityContiki-NG is an open-source, cross-platform operating system for internet of things devices. In versions prior to 4.5, buffer overflow can be trigge…EPSS 0.99%9.8CVE-2020-24336Contiki and Contiki-NG DNS64 parser buffer overflow via unchecked address lengthContiki through 3.0 and Contiki-NG through 4.5 fail to validate the length of an address in Type A domain name answers parsed by ip64-dns64.c. Copyin…EPSS 59%analysed

Source: NIST National Vulnerability Database (record CVE-2018-1000804), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.