CVE-2023-22286: Ate-Mahoroba Maho-Pbx Netdevancer Firmware

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

Cross-site request forgery (CSRF) vulnerability in MAHO-PBX NetDevancer Lite/Uni/Pro/Cloud prior to Ver.1.11.00, MAHO-PBX NetDevancer VSG Lite/Uni prior to Ver.1.11.00, and MAHO-PBX NetDevancer MobileGate Home/Office prior to Ver.1.11.00 allows a remote unauthenticated attacker to hijack the user authentication and conduct user's unintended operations by having a user to view a malicious page while logged in.

Affected products

• Ate-Mahoroba Maho-Pbx Netdevancer Firmware: before 1.11.00 (fixed in 1.11.00)
• Ate-Mahoroba Maho-Pbx Netdevancer Mobilegate Firmware: before 1.11.00 (fixed in 1.11.00)
• Ate-Mahoroba Maho-Pbx Netdevancer Vsg Firmware: before 1.11.00 (fixed in 1.11.00)

Published 2023-01-17. Last modified 2026-06-17.