CVE-2023-1424 8.1 high EPSS 3.4%
High (8.1) in mitsubishielectric. EPSS 3.4% chance of exploitation in the next 30 days.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELSEC iQ-R Series CPU modules allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on a target product by sending specially crafted packets. A system reset of the product is required for recovery from a denial of service (DoS) condition and malicious code execution.
Severity
CVSS 3.1 8.1 high CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HEnable JavaScript to see the metric table and diagram.
EPSS 3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWE CWE-120
Published 2023-05-24
Modified 2026-06-17
Record from the NVD, synced 2026-10-19 Affected mitsubishielectric:melsec_iq-fx5u-32mr\/ds_firmware mitsubishielectric:melsec_iq-fx5u-32mr\/dss_firmware mitsubishielectric:melsec_iq-fx5u-32mr\/es_firmware mitsubishielectric:melsec_iq-fx5u-32mr\/ess_firmware mitsubishielectric:melsec_iq-fx5u-32mt\/ds_firmware mitsubishielectric:melsec_iq-fx5u-32mt\/dss_firmware mitsubishielectric:melsec_iq-fx5u-32mt\/es_firmware mitsubishielectric:melsec_iq-fx5u-32mt\/ess_firmware mitsubishielectric:melsec_iq-fx5u-64mr\/ds_firmware mitsubishielectric:melsec_iq-fx5u-64mr\/dss_firmware mitsubishielectric:melsec_iq-fx5u-64mr\/es_firmware mitsubishielectric:melsec_iq-fx5u-64mr\/ess_firmware mitsubishielectric:melsec_iq-fx5u-64mt\/ds_firmware mitsubishielectric:melsec_iq-fx5u-64mt\/dss_firmware mitsubishielectric:melsec_iq-fx5u-64mt\/es_firmware mitsubishielectric:melsec_iq-fx5u-64mt\/ess_firmware mitsubishielectric:melsec_iq-fx5u-80mr\/ds_firmware mitsubishielectric:melsec_iq-fx5u-80mr\/dss_firmware mitsubishielectric:melsec_iq-fx5u-80mr\/es_firmware mitsubishielectric:melsec_iq-fx5u-80mr\/ess_firmware mitsubishielectric:melsec_iq-fx5u-80mt\/ds_firmware mitsubishielectric:melsec_iq-fx5u-80mt\/dss_firmware mitsubishielectric:melsec_iq-fx5u-80mt\/es_firmware mitsubishielectric:melsec_iq-fx5u-80mt\/ess_firmware mitsubishielectric:melsec_iq-fx5uc-32mr\/dds_firmware mitsubishielectric:melsec_iq-fx5uc-32mr\/ds-ts_firmware mitsubishielectric:melsec_iq-fx5uc-32mr\/ds_firmware mitsubishielectric:melsec_iq-fx5uc-32mt\/dds_firmware mitsubishielectric:melsec_iq-fx5uc-32mt\/ds-ts_firmware mitsubishielectric:melsec_iq-fx5uc-32mt\/ds_firmware mitsubishielectric:melsec_iq-fx5uc-32mt\/dss-ts_firmware mitsubishielectric:melsec_iq-fx5uc-64mr\/dds_firmware mitsubishielectric:melsec_iq-fx5uc-64mr\/ds_firmware mitsubishielectric:melsec_iq-fx5uc-64mt\/dds_firmware mitsubishielectric:melsec_iq-fx5uc-64mt\/ds_firmware mitsubishielectric:melsec_iq-fx5uc-96mr\/dds_firmware mitsubishielectric:melsec_iq-fx5uc-96mr\/ds_firmware mitsubishielectric:melsec_iq-fx5uc-96mt\/dds_firmware mitsubishielectric:melsec_iq-fx5uc-96mt\/ds_firmware References Check your stack JSON