CVE-2022-27632: Meikyo Poe Boot Nino POE8M2 Firmware

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Cross-site request forgery (CSRF) vulnerability in Rebooter(WATCH BOOT nino RPC-M2C [End of Sale] all firmware versions, WATCH BOOT light RPC-M5C [End of Sale] all firmware versions, WATCH BOOT L-zero RPC-M4L [End of Sale] all firmware versions, WATCH BOOT mini RPC-M4H [End of Sale] all firmware versions, WATCH BOOT nino RPC-M2CS firmware version 1.00A to 1.00D, WATCH BOOT light RPC-M5CS firmware version 1.00A to 1.00D, WATCH BOOT L-zero RPC-M4LS firmware version 1.00A to 1.20A, and Signage Rebooter RPC-M4HSi firmware version 1.00A), PoE Rebooter(PoE BOOT nino PoE8M2 firmware version 1.00A to 1.20A), Scheduler(TIME BOOT mini RSC-MT4H [End of Sale] all firmware versions, TIME BOOT RSC-MT8F [End of Sale] all firmware versions, TIME BOOT RSC-MT8FP [End of Sale] all firmware versions, TIME BOOT mini RSC-MT4HS firmware version 1.00A to 1.10A, and TIME BOOT RSC-MT8FS firmware version 1.00A to 1.00E), and Contact Converter(POSE SE10-8A7B1 firmware version 1.00A to 1.20A) allows a remote attacker to hijack the authentication of an administrator and conduct arbitrary operations by having a user to view a specially crafted page.

Affected products

• Meikyo Poe Boot Nino POE8M2 Firmware: from 1.00a, up to and including 1.20a
• Meikyo Pose SE10-8a7b1 Firmware: from 1.00a, up to and including 1.20a; affected versions not specified
• Meikyo Signage Rebooter RPC-m4hsi Firmware: version 1.00a only
• Meikyo Time Boot Mini Rsc-MT4H Firmware: affected versions not specified
• Meikyo Time Boot Mini Rsc-MT4HS Firmware: from 1.00a, up to and including 1.10a
• Meikyo Time Boot Rsc-MT8F Firmware: affected versions not specified
• Meikyo Time Boot Rsc-MT8FP Firmware: affected versions not specified
• Meikyo Time Boot Rsc-MT8FS Firmware: from 1.00a, up to and including 1.00e
• Meikyo Watch Boot L-Zero RPC-m4l Firmware: affected versions not specified
• Meikyo Watch Boot L-Zero RPC-m4ls Firmware: from 1.00a, up to and including 1.20a
• Meikyo Watch Boot Light RPC-m5c Firmware: affected versions not specified
• Meikyo Watch Boot Light RPC-m5cs Firmware: from 1.00a, up to and including 1.00d
• Meikyo Watch Boot Mini RPC-m4h Firmware: affected versions not specified
• Meikyo Watch Boot Nino RPC-m2c Firmware: affected versions not specified
• Meikyo Watch Boot Nino RPC-m2cs Firmware: from 1.00a, up to and including 1.00d

Published 2022-05-18. Last modified 2026-06-17.