Netscaler
Citrix warns of NetScaler vulnerability exploited in DoS attacks
Citrix is warning that a vulnerability in NetScaler appliances tracked as CVE-2025-6543 is being actively exploited in the wild, causing devices to enter a denial of service condition. “Exploits of CVE-2025-6543 on unmitigated appliances have been observed,” warns Citrix’s advisory. Tracked internally as CTX694788, CVE-2025-6543 is a critical flaw impacting NetScaler ADC and NetScaler Gateway and can […]
Citrix shares mitigations for ongoing Netscaler password spray attacks
Citrix Netscaler is the latest target in widespread password spray attacks targeting edge networking devices and cloud platforms this year to breach corporate networks. In March, Cisco reported that threat actors were conducting password spray attacks on the Cisco VPN devices. In some cases, these attacks caused a denial-of-service state, allowing the company to find a DDoS vulnerability […]