CVE-2025-654937.5HighCWE-476
CVE-2025-65493: Libcoap vulnerability
Affected: Libcoap · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
0.4%probability of exploitation in the next 30 days
35th percentile
050100
Higher than 35% of scored CVEs
7.5HighCVSS 3.1
LowMediumHighCrit.
DescriptionCVE.org
NULL pointer dereference in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS/TLS connection that triggers BIO_get_data() to return NULL.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Libcoap
- Published
- November 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2025-65493 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.