CVE-2022-22819

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-03-23 · updated 2026-06-17
Weakness: CWE-120

Description

NXP LPC55S66JBD64, LPC55S66JBD100, LPC55S66JEV98, LPC55S69JBD64, LPC55S69JBD100, and LPC55S69JEV98 microcontrollers (ROM version 1B) have a buffer overflow in parsing SB2 updates before the signature is verified. This can allow an attacker to achieve non-persistent code execution via a crafted unsigned update.

Affected products

NXP Lpc55S66Jbd100 Firmware: all versions
NXP Lpc55S66Jbd64 Firmware: all versions
NXP Lpc55S66Jev98 Firmware: all versions
NXP Lpc55S69Jbd100 Firmware: all versions
NXP Lpc55S69Jbd64 Firmware: all versions
NXP Lpc55S69Jev98 Firmware: all versions

References

https://oxide.computer/blog/another-vulnerability-in-the-lpc55s69-rom
https://www.nxp.com
https://oxide.computer/blog/another-vulnerability-in-the-lpc55s69-rom
https://www.nxp.com

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