CVE-2025-54995

PoC —

CVSS 3.1

6.5 medium

EPSS

<1%p40

Published

Aug 28, 2025 (Aug 28, 2025)

Modified

Jun 17, 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.

Vendors: sangoma
Products: asterisk, certified asterisk
Weakness: CWE-400, CWE-1286
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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