CVE-2025-21212

Summary

CVE-2025-21212 is a newly disclosed Denial of Service (DoS) vulnerability affecting Internet Connection Sharing (ICS) services. An attacker can exploit this weakness by sending specially crafted packets to target systems, causing ICS services to stop responding and rendering them unavailable for legitimate use. This vulnerability poses a significant risk to organizations and individuals with ICS implementations, potentially leading to network disruptions and service outages. Mitigation measures include applying patches and updating firewall rules to block the malicious traffic. It is recommended that affected parties prioritize addressing this issue to minimize potential damage.

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