CVE-2025-549956.5MediumCWE-1286

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

asterisk

Affected: asterisk · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.5%probability of exploitation in the next 30 days

44th percentile

050100

Higher than 44% of scored CVEs

6.5MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

asterisk · asterisk< 18.26.4; < 18.9-cert17

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Improper Validation of Syntactic Correctness of Input · Input Validation and Logic
Vendor: asterisk
Published: August 2025
Band: Unlikely (under 1%), August 2025

CoverageNo articles yet

No CyberSIXT article names CVE-2025-54995 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.