Denial of service is a cyber attack method that degrades or blocks the availability of a system, application, or network service by exhausting resources, which creates direct risk for enterprise uptime, transaction processing, and business continuity objectives.
A vulnerability classified under CVE-2025-10259 affects Mitsubishi Electric's MELSEC iQ-F Series, causing potential denial of service via improper validation in TCP communication. The issue impacts various versions worldwide, with mitigation advice including VPN use and restricted physical and network access.
A vulnerability in Shelly Pro 4PM smart DIN rail switches prior to version 1.6 allows attackers to cause denial of service by exploiting a resource allocation flaw in the JSON parser. The issue has a CVSS v4 score of 8.3. Mitigations include software updates and network security measures.
Zenitel's TCIV-3+ devices prior to version 9.3.3.0 have vulnerabilities including OS command injection, out-of-bounds write, and cross-site scripting. These issues could allow arbitrary code execution or denial of service. Mitigations include upgrading firmware and network security measures.