CVE-2026-33907

취약점 유형

Ella Core is a 5G core designed for private networks. Versions prior to 1.7.0 panic when processing Authentication Response and Authentication Failure NAS message missing IEs. An attacker able to send crafted NAS messages to Ella Core can crash the process, causing service disruption for all connected subscribers. No authentication is required. Version 1.7.0 added IE presence verification to NAS message handling.

영향받는 제품

• ellanetworks ella_core

참고 자료

• https://github.com/ellanetworks/core/commit/52962660e3bd3e23c7e96b0da270ac1e0e705273
• https://github.com/ellanetworks/core/releases/tag/v1.7.0
• https://github.com/ellanetworks/core/security/advisories/GHSA-55q8-2gwx-29pc