High severity7.5NVD Advisory· Published Jul 22, 2021· Updated Jun 17, 2026
CVE-2020-22284
CVE-2020-22284
Description
A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6LoWPAN packet.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:a:lwip_project:lwip:2.1.2:*:*:*:*:*:*:*
- Free Software Foundation/lwIPdescription
- Range: = 2.1.2
Patches
Vulnerability mechanics
References
1- savannah.nongnu.org/bugs/index.phpnvdPatchThird Party Advisory
News mentions
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