PT-2025-35096 · Asterisk+2 · Asterisk+2

Alexat · Published 2025-08-28 · Updated 2025-11-06 · CVE-2025-54995

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Asterisk versions prior to 18.26.4 Asterisk versions prior to 18.9-cert17

Description Asterisk, an open source private branch exchange and telephony toolkit, is susceptible to resource exhaustion due to a lack of session termination. This can lead to leaks of RTP UDP ports and internal resources.

Recommendations Update Asterisk to version 18.26.4 or later. Update Asterisk to version 18.9-cert17 or later.

Exploit

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

CWE-1286

CWE-399

Related Identifiers

BDU:2025-14436

CVE-2025-54995

DLA-4326-1

GHSA-557Q-795J-WFX2

Affected Products

Asterisk

Debian

Red Os

References · 21

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/54xxx/CVE-2025-54995.json · Exploit
• https://github.com/asterisk/asterisk/commit/eafcd7a451dcd007dddf324ac37dd55a4808338d · Patch
• https://github.com/asterisk/asterisk/commit/0278f5bde14565c6838a6ec39bc21aee0cde56a9 · Patch
• https://github.com/asterisk/asterisk/security/advisories/GHSA-557q-795j-wfx2 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-54995 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-54995 · Security Note
• https://ubuntu.com/security/CVE-2025-54995 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4326-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-54995 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14436 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-54995 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2025-54995 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-54995 · Vendor Advisory
• https://github.com/asterisk/asterisk/pull/1405 · Note
• https://github.com/asterisk/asterisk/pull/1406 · Note