CVE-2025-6543
Citrix warns of login issues after NetScaler auth bypass patch
Citrix warns that patching recently disclosed vulnerabilities that can be exploited to bypass authentication and launch denial-of-service attacks may also break login pages on NetScaler ADC and Gateway appliances. This happens because starting with NetScaler 14.1.47.46 and 13.1.59.19, the Content Security Policy (CSP) header, which mitigates risks associated with cross-site scripting (XSS), code injection, and […]
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 […]