CVE-2024-1916
CWE-190Published: March 15, 2024· Updated: Jun 17, 2026
Official Description
Integer Overflow or Wraparound vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series and MELSEC-L Series CPU modules allows a remote unauthenticated attacker to execute malicious code on a target product by sending a specially crafted packet.
Risk Analysis
This flaw is an integer overflow in Mitsubishi Electric MELSEC-Q and MELSEC-L series CPU modules. With a CVSS score of 9.8, it poses a severe risk by enabling remote code execution via specially crafted packets.
No public exploit is currently known, and the vulnerability is not in the CISA KEV. It is remotely exploitable without authentication.
Consult the manufacturer for available firmware updates and apply them to the affected CPU modules. Implement network segmentation to restrict access to these devices.
Technical Analysis
CVE-2024-1916 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (6)
Quick Facts
Related CVEs (CWE-190)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-1916 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts