CVE-2025-54995 MEDIUM

CVE-2025-54995: Asterisk remotely exploitable leak of RTP UDP ports and internal resources

Vendor Asterisk
Product asterisk
Weakness CWE-1286
Published August 28, 2025
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 28, 2025 CVE published
November 3, 2025 Record updated