CVE-2025-54995

MEDIUM
Published Aug 28, 2025 Modified Nov 3, 2025 CWE-400 CWE-1286

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.

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CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption
CWE-1286 CWE-1286

Affected Products

Vendor Product
sangoma asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk

References

Frequently Asked Questions

What is CVE-2025-54995? +
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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2025-54995? +
CVE-2025-54995 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-54995? +
CVE-2025-54995 affects products from sangoma, specifically: asterisk, certified_asterisk. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-54995? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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