Improper Validation of Array Index Affecting github.com/free5gc/nas/nastype package, versions <1.2.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published28 Feb 2026
- disclosed24 Feb 2026
- creditzfei10990-cmd
Introduced: 24 Feb 2026
CVE-2025-69248 (opens in a new tab)How to fix?
Upgrade github.com/free5gc/nas/nasType to version 1.2.3 or higher.
Overview
Affected versions of this package are vulnerable to Improper Validation of Array Index via the AMF process. An attacker can cause the service to crash and disrupt network operations by sending a specially crafted NAS Registration Request containing a malformed 5GS Mobile Identity.