Critical severity9.1NVD Advisory· Published Oct 19, 2021· Updated Jun 17, 2026
CVE-2020-12141
CVE-2020-12141
Description
An out-of-bounds read in the SNMP stack in Contiki-NG 4.4 and earlier allows an attacker to cause a denial of service and potentially disclose information via crafted SNMP packets to snmp_ber_decode_string_len_buffer in os/net/app-layer/snmp/snmp-ber.c.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Contiki-NG/Contiki-NGdescription
- Range: <=4.4
Patches
Vulnerability mechanics
References
3- github.com/contiki-ng/contiki-ng/commit/12c824386ab60de757de5001974d73b32e19ad71nvdPatchThird Party Advisory
- github.com/contiki-ng/contiki-ng/pull/1355nvdPatchThird Party Advisory
- twitter.com/ScepticCtfnvdThird Party Advisory
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