Critical severity9.8NVD Advisory· Published Dec 11, 2020· Updated Jun 17, 2026
CVE-2020-25112
CVE-2020-25112
Description
An issue was discovered in the IPv6 stack in Contiki through 3.0. There are inconsistent checks for IPv6 header extension lengths. This leads to Denial-of-Service and potential Remote Code Execution via a crafted ICMPv6 echo packet.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Contiki/Contikidescription
- Range: <=3.0
Patches
Vulnerability mechanics
References
2- us-cert.cisa.gov/ics/advisories/icsa-20-343-01nvdThird Party AdvisoryUS Government Resource
- www.kb.cert.org/vuls/id/815128nvdThird Party AdvisoryUS Government Resource
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