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CISA Known Exploited Vulnerability

This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.

CVE

CVE-2022-26143

9.8

CVSScritical

Exploitable remotely over the internet · no authentication required.

Description

The TP-240 (aka tp240dvr) component in Mitel MiCollab before 9.4 SP1 FP1 and MiVoice Business Express through 8.1 allows remote attackers to obtain sensitive information and cause a denial of service (performance degradation and excessive outbound traffic). This was exploited in the wild in February and March 2022 for the TP240PhoneHome DDoS attack.

Attack Vector

Network

Privileges Req.

None

User Interaction

None

Updated Sep 18, 2026View on NVD →

S4E scanner

criticalProduct Based Web Vulnerabilities~10 seconds

CVE-2022-26143 Scanner

CVE-2022-26143 Scanner - Denial of Service vulnerability in Mitel MiCollab

Used 2.9k times · 5.9k assets checked · domain, subdomain, ipv4

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