New analysis indicates that Chinese-linked hackers were installing backdoors in Citrix Netscaler systems long before the vulnerability was publicly disclosed. Criticism is growing against the vendor, which is accused of being untransparent and minimising the scale of the threat. Citrix…
A new vulnerability in Citrix NetScaler – designated CVE-2025-5777 and unofficially named ‘Citrix Bleed 2’ – puts administrators in an uncomfortable position. Although Citrix has reassured that the bug is not being actively exploited, the publication of a proof-of-concept and…
Citrix is once again grappling with serious security vulnerabilities in its NetScaler ADC and Gateway appliances. The three new vulnerabilities, designated CVE-2025-5349, CVE-2025-5777 and CVE-2025-6543, score high on the CVSS scale (8.7 to 9.3), qualifying them as critical. And although…