CVE-2022-43780: HP m2u75a Firmware

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Certain HP ENVY, OfficeJet, and DeskJet printers may be vulnerable to a Denial of Service attack.

Affected products

• HP m2u75a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u76a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u77a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u81a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u81b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u82a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u82b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u84a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u84b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u85a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u85b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u86a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u86b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u86c Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u87a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u87b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u88b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u89b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u91a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u91b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u92a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u92b Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u94a Firmware: before 003.2237a (fixed in 003.2237a)
• HP m2u94b Firmware: before 003.2237a (fixed in 003.2237a)
• HP z4a54a Firmware: before 003.2237a (fixed in 003.2237a)
• and 16 more

Published 2022-12-12. Last modified 2026-06-17.