Critical severity9.8NVD Advisory· Published Oct 22, 2024· Updated Jun 17, 2026

CVE-2024-40494

Description

Buffer Overflow in coap_msg.c in FreeCoAP allows remote attackers to execute arbitrary code or cause a denial of service (stack buffer overflow) via a crafted packet.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FreeCoAP/FreeCoAP3 versions
cpe:2.3:a:keith-cullen:freecoap:0.7:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:keith-cullen:freecoap:0.7:*:*:*:*:*:*:*
- (no CPE)
- (no CPE)

Patches

Vulnerability mechanics

References

github.com/dqp10515/security/tree/main/FreeCoAP_bugnvdExploit
gist.github.com/dqp10515/e9d7d663cb89187bfe7b39bb3aeb0113nvdThird Party Advisory

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000