CVE-2021-3942: HP Color Laserjet CM4540 Mfp CC419A Firmware
Critical severity, CVSS 9.8. EPSS: 1.5% chance of exploitation in the next 30 days.
Certain HP Print products and Digital Sending products may be vulnerable to potential remote code execution and buffer overflow with use of Link-Local Multicast Name Resolution or LLMNR.
Affected products
- HP Color Laserjet CM4540 Mfp CC419A Firmware: from 3.0, before 3.9.9 (fixed in 3.9.9)
- HP Color Laserjet CM4540 Mfp CC420A Firmware: from 3.0, before 3.9.9 (fixed in 3.9.9)
- HP Color Laserjet CM4540 Mfp CC421A Firmware: from 3.0, before 3.9.9 (fixed in 3.9.9)
- HP Color Laserjet CM5525 Mfp CE707A Firmware: from 3.0, before 3.9.9 (fixed in 3.9.9)
- HP Color Laserjet CM5525 Mfp CE708A Firmware: from 3.0, before 3.9.9 (fixed in 3.9.9)
- HP Color Laserjet CM5525 Mfp CE709A Firmware: from 3.0, before 3.9.9 (fixed in 3.9.9)
- HP Color Laserjet Enterprise Flow Mfp m577 b5l46a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m577 b5l47a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m577 b5l48a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m577 b5l54a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m680 CA251A Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m680 CZ248A Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m680 CZ249A Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m680 CZ250A Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m681 j8a10a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m681 j8a11a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m681 j8a12a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m681 j8a13a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m682 j8a16a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m682 j8a17a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m776 t3u55a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m776 t3u56a Firmware: affected versions not specified
- HP Color Laserjet Enterprise Flow Mfp m880z a2w75a Firmware: from 3.0, before 3.9.9 (fixed in 3.9.9); from 4.0, before 4.11.2.3 (fixed in 4.11.2.3)
- HP Color Laserjet Enterprise Flow Mfp m880z a2w76a Firmware: from 3.0, before 3.9.9 (fixed in 3.9.9); from 4.0, before 4.11.2.3 (fixed in 4.11.2.3)
- HP Color Laserjet Enterprise Flow Mfp m880z d7p70a Firmware: from 3.0, before 3.9.9 (fixed in 3.9.9); from 4.0, before 4.11.2.3 (fixed in 4.11.2.3)
- and 2675 more
Published 2022-12-12. Last modified 2026-06-17.