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    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 to trigger a software abort, resulting in a temporary denial of service.

    Published:Dec 25, 2025
    Last Modified:Jan 5, 2026
    EPS:Dec 25, 2025
    EPSS Score:0.00052
    CVSS Score:7.5

    Affected Products

    Vendor
    Pexip
    Product
    Infinity
    Vendor
    Pexip
    Product
    Pexip Infinity

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-66378 (CVSS 5.9) — Pexip Infinity 38.0 and 38.1 before 39.0 has insufficient access control in the RTMP implementation, allowing …
    CVE-2025-66379 (CVSS 7.5) — Pexip Infinity before 39.0 has Improper Input Validation in the media implementation, allowing a remote attack…
    CVE-2025-32095 (CVSS 7.5) — Pexip Infinity before 37.0 has improper input validation in signalling that allows a remote attacker to trigge…
    CVE-2025-66377 (CVSS 7.5) — Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allow…
    CVE-2025-59683 (CVSS 8.2) — Pexip Infinity 15.0 through 38.0 before 38.1 has Improper Access Control in the Secure Scheduler for Exchange …
    CVE-2025-49088 (CVSS 5.9) — Pexip Infinity 32.0 through 37.1 before 37.2, in certain configurations of OTJ (One Touch Join) for Teams SIP …
    CVE-2025-32096 (CVSS 7.5) — Pexip Infinity 33.0 through 37.0 before 37.1 has improper input validation in signaling that allows an attacke…
    CVE-2025-48704 (CVSS 7.5) — Pexip Infinity 35.0 through 37.2 before 38.0 has Improper Input Validation in signalling that allows an attack…
    CVE-2021-42555 (CVSS 7.5) — Pexip Infinity before 26.2 allows temporary remote Denial of Service (abort) because of missing call-setup inp…
    CVE-2021-35969 (CVSS 7.5) — Pexip Infinity before 26 allows temporary remote Denial of Service (abort) because of missing call-setup input…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High