CVE-2025-54995mediumCWE-1286CWE-400

CVE-2025-54995: medium-severity vulnerability in asterisk

Asterisk remotely exploitable leak of RTP UDP ports and internal resources

Published · Updated

Follow this CVE+ Monitor asterisk+ Monitor asterisk

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.5%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
asterisk · asterisk
Related CVEs — asterisk

In the same product, most dangerous first.

CVE-2023-49294MEDIUMAsterisk Path Traversal vulnerabilityEPSS 45.3%CVE-2023-49786HIGHAsterisk susceptible to Denial of Service via DTLS Hello packets during call initiationEPSS 5.3%CVE-2024-42365HIGHAsterisk allows `Write=originate` as sufficient permissions for code execution / `System()` dialplanEPSS 4.7%CVE-2026-57193MEDIUMAsterisk: LDAP Filter Injection in res_config_ldap via SIP Username (Unauthenticated Information Disclosure)EPSS 2.0%CVE-2009-3723—CVE-2009-3723EPSS 1.2%CVE-2023-37457HIGHAsterisk's PJSIP_HEADER dialplan function can overwrite memory/cause crash when using 'update'EPSS 1.1%