# CVE-2025-54995

## Summary

- **CVE ID:** CVE-2025-54995
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-1286, CWE-400
- **Published:** Aug 28, 2025
- **Last Modified:** Mar 12, 2026

## Description

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17.

## Affected Products

- asterisk — asterisk (< 18.26.4)
- asterisk — asterisk (< 18.9-cert17)

## References

- [CNA](https://github.com/asterisk/asterisk/security/advisories/GHSA-557q-795j-wfx2)
- [CNA](https://github.com/asterisk/asterisk/pull/1405)
- [CNA](https://github.com/asterisk/asterisk/pull/1406)
- [CNA](https://github.com/asterisk/asterisk/commit/0278f5bde14565c6838a6ec39bc21aee0cde56a9)
- [CNA](https://github.com/asterisk/asterisk/commit/eafcd7a451dcd007dddf324ac37dd55a4808338d)
- [CVE](https://lists.debian.org/debian-lts-announce/2025/10/msg00006.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.48%
- **EPSS Percentile:** 40.0

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._