CVE-2022-24946: Mitsubishielectric l02cpu-P Firmware

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

Improper Resource Locking vulnerability in Mitsubishi Electric MELSEC iQ-R Series R12CCPU-V firmware versions "16" and prior, Mitsubishi Electric MELSEC-Q Series Q03UDECPU the first 5 digits of serial No. "24061" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/10/13/20/26/50/100UDEHCPU the first 5 digits of serial No. "24061" and prior, Mitsubishi Electric MELSEC-Q Series Q03/04/06/13/26UDVCPU the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-Q Series Q04/06/13/26UDPVCPU the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-Q Series Q12DCCPU-V all versions, Mitsubishi Electric MELSEC-Q Series Q24DHCCPU-V(G) all versions, Mitsubishi Electric MELSEC-Q Series Q24/26DHCCPU-LS all versions, Mitsubishi Electric MELSEC-L series L02/06/26CPU(-P) the first 5 digits of serial number "24051" and prior, Mitsubishi Electric MELSEC-L series L26CPU-(P)BT the first 5 digits of serial number "24051" and prior and Mitsubishi Electric MELIPC Series MI5122-VW firmware versions "05" and prior allows a remote unauthenticated attacker to cause a denial of service (DoS) condition in Ethernet communications by sending specially crafted packets. A system reset of the products is required for recovery.

Affected products

• Mitsubishielectric l02cpu-P Firmware: affected versions not specified
• Mitsubishielectric l02cpu Firmware: affected versions not specified
• Mitsubishielectric l02scpu-P Firmware: affected versions not specified
• Mitsubishielectric l02scpu Firmware: affected versions not specified
• Mitsubishielectric l06cpu-P Firmware: affected versions not specified
• Mitsubishielectric l06cpu Firmware: affected versions not specified
• Mitsubishielectric l26cpu-(p)bt Firmware: affected versions not specified
• Mitsubishielectric l26cpu-Bt-Cm Firmware: affected versions not specified
• Mitsubishielectric l26cpu-Bt Firmware: affected versions not specified
• Mitsubishielectric l26cpu-P Firmware: affected versions not specified
• Mitsubishielectric l26cpu-Pbt Firmware: affected versions not specified
• Mitsubishielectric l26cpu Firmware: affected versions not specified
• Mitsubishielectric q03udecpu Firmware: affected versions not specified
• Mitsubishielectric q04udehcpu Firmware: affected versions not specified
• Mitsubishielectric q04udpvcpu Firmware: affected versions not specified
• Mitsubishielectric q04udvcpu Firmware: affected versions not specified
• Mitsubishielectric q06ccpu-V Firmware: affected versions not specified
• Mitsubishielectric q06phcpu Firmware: affected versions not specified
• Mitsubishielectric q06udehcpu Firmware: affected versions not specified
• Mitsubishielectric q06udpvcpu Firmware: affected versions not specified
• Mitsubishielectric q06udvcpu Firmware: affected versions not specified
• Mitsubishielectric q100udehcpu Firmware: affected versions not specified
• Mitsubishielectric q10udehcpu Firmware: affected versions not specified
• Mitsubishielectric q13udehcpu Firmware: affected versions not specified
• Mitsubishielectric q13udpvcpu Firmware: affected versions not specified
• and 7 more

Published 2022-06-15. Last modified 2026-06-17.