CVE-2025-65502: Cesanta Mongoose

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Null pointer dereference in add_ca_certs() in Cesanta Mongoose before 7.2 allows remote attackers to cause a denial of service via TLS initialization where SSL_CTX_get_cert_store() returns NULL.

Affected products

  • Cesanta Mongoose: before 7.2 (fixed in 7.2)

Published 2025-11-24. Last modified 2026-06-17.