CVE-2023-34260: Kyocera D-COPIA253MF Plus Firmware

High severity, CVSS 7.5. EPSS: 73.4% chance of exploitation in the next 30 days.

Kyocera TASKalfa 4053ci printers through 2VG_S000.002.561 allow a denial of service (service outage) via /wlmdeu%2f%2e%2e%2f%2e%2e followed by a directory reference such as %2fetc%00index.htm to try to read the /etc directory.

Affected products

• Kyocera D-COPIA253MF Plus Firmware: up to and including 2vg_s000.002.561

Published 2023-11-03. Last modified 2026-06-17.