High severity7.5NVD Advisory· Published Dec 31, 2023· Updated Jun 17, 2026
CVE-2021-46901
CVE-2021-46901
Description
examples/6lbr/apps/6lbr-webserver/httpd.c in CETIC-6LBR (aka 6lbr) 1.5.0 has a strcat stack-based buffer overflow via a request for a long URL over a 6LoWPAN network.
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Affected products
3- CETIC/6lbrdescription
Patches
Vulnerability mechanics
References
2- github.com/cetic/6lbr/blob/c3092a1ccc6b6b0e668f33f6f4b2d6967975d664/examples/6lbr/apps/6lbr-webserver/httpd.cnvdPatch
- github.com/cetic/6lbr/issues/414nvdExploitIssue TrackingVendor Advisory
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