Unintentional change of settings during initial registration of system administrators which uses control protocols. The affected Office / Small Office Multifunction Printers and Laser Printers(*) may allow an attacker on the network segment to trigger unauthorized access to the product. *:Satera LBP660C Series/LBP620C Series/MF740C Series/MF640C Series firmware Ver.11.04 and earlier sold in Japan. Color imageCLASS LBP660C Series/LBP 620C Series/X LBP1127C/MF740C Series/MF640C Series/X MF1127C firmware Ver.11.04 and earlier sold in US. i-SENSYS LBP660C Series/LBP620C Series/MF740C Series/MF640C Series, C1127P, C1127iF, C1127i firmware Ver.11.04 and earlier sold in Europe.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-0857
• https://canon.jp/support/support-info/230414vulnerability-response
• https://www.usa.canon.com/support/canon-product-advisories/Service-Notice-Vulnerabilities-Remediation-Against-Buffer-Overflow
• https://psirt.canon/advisory-information/cp2023-001
• https://www.canon-europe.com/support/product-security-latest-news