CVE
CVE-2025-6543
- First Reported
- Oct 3, 2026
- Latest Reported
- Oct 5, 2026
Reported Context (2)
- “Memory overflow vulnerability leading to Denial of Service,” similar to how the previously disclosed CVE-2025-6543 was initially characterized before later attacks showed it could be used for remote code execution. Citrix Patches Actively Exploited NetScaler Zero-Day Causing Denial of Service
- out the possibility of code execution. Kevin Beaumont (@GossiTheDog on Mastodon) also points out that CVE-2025-6543 was a similar DoS case that was later exploited for RCE in the wild. Our take is to investigate the Guide to Detecting and Hunting Exploitation of Three NetScaler Vulnerabilities
CVE (4)
Malware (1)
People (1)
MITRE ATT&CK (9)
Vendors (1)
Products (3)
Tools (1)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.