High severity8.6NVD Advisory· Published Jun 18, 2021· Updated Jun 17, 2026
CVE-2021-21282
CVE-2021-21282
Description
Contiki-NG is an open-source, cross-platform operating system for internet of things devices. In versions prior to 4.5, buffer overflow can be triggered by an input packet when using either of Contiki-NG's two RPL implementations in source-routing mode. The problem has been patched in Contiki-NG 4.5. Users can apply the patch for this vulnerability out-of-band as a workaround.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: <4.5
< 4.5+ 1 more
- (no CPE)range: < 4.5
- cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*range: <4.5
Patches
Vulnerability mechanics
References
2- github.com/contiki-ng/contiki-ng/pull/1183nvdPatchThird Party Advisory
- github.com/contiki-ng/contiki-ng/security/advisories/GHSA-6xf2-77gf-fgjxnvdPatchThird Party Advisory
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