Medium severity · published Dec 25, 2025
CVE-2025-66443
Pexip Infinity 35.0 through 38.1 before 39.0, in non-default configurations that use Direct Media for WebRTC, has Improper Input Validation in signalling that allows an attacker…
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
Pexip Infinity 35.0 through 38.1 before 39.0, in non-default configurations that use Direct Media for WebRTC, has Improper Input Validation in signalling that allows an attacker to trigger a software abort, resulting in a temporary denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Infinity · Pexip
35.0 before 39.0 · source: vendor
PI
Pexip Infinity · Pexip
35.0 before 39.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-66443
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-66443
Vendor Advisory
https://docs.pexip.com/admin/security_bulletins.htm
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