#China

2 articles

F5 BIG-IP (CVE-2025-53521): reclassified as critical RCE, in-memory webshells

F5 reclassifies CVE-2025-53521 from DoS to critical RCE (CVSS 9.8) in March 2026. In-memory-only webshells deployed, attackers linked to China.

March 30, 2026

Threat Intelligence 3 min read

Chinese APT: a Dell zero-day silently exploited for 2 years

UNC6201 (China) exploited CVE-2026-22769 (CVSS 10.0) in Dell RecoverPoint since mid-2024 without detection. Three malware strains deployed, root persistence achieved.

March 28, 2026