[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fB1u0PnDS2mM52k6O2938ezM05EUQRdP_EtE3uZnNrBo":3},{"article":4,"iocs":38,"watch_terms":43},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"full_text":11,"url":12,"image_url":13,"published_at":14,"ingested_at":15,"relevance_score":16,"entities":17,"category_id":18,"category":19,"article_tags":22},"977fdb85-b8bb-4cca-ace5-4a5ab851ae5b","F5 BIG-IP Vulnerability Reclassified as RCE, Under Exploitation","f5-big-ip-vulnerability-reclassified-as-rce-under-exploitation-2","CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous.","CVE-2025-53521 in F5 BIG-IP, initially disclosed in October as a high-severity denial-of-service vulnerability, has been reclassified as a remote code execution (RCE) flaw—a significantly more critical threat. The vulnerability is now reportedly under active exploitation in the wild, elevating urgency for organizations running affected F5 systems.","F5 BIG-IP CVE-2025-53521 reclassified from DoS to RCE, now under active exploitation.",null,"https:\u002F\u002Fwww.darkreading.com\u002Fapplication-security\u002Ffortinet-big-ip-vulnerability-reclassified-rce-exploitation","https:\u002F\u002Feu-images.contentstack.com\u002Fv3\u002Fassets\u002Fblt6d90778a997de1cd\u002Fblt785465f8bc714950\u002F69caef686b45b775670507cc\u002Ff5_SOPAImagesLimited_Alamy.jpg?width=1280&auto=webp&quality=80&disable=upscale","2026-03-30T18:24:02+00:00","2026-03-30T22:00:18.275964+00:00",9,[],"574f766a-fb3f-487c-8d2c-0720ae75471b",{"id":18,"icon":11,"name":20,"slug":21},"Zero-day","zero-day",[23,28,33],{"category":24},{"id":25,"icon":11,"name":26,"slug":27},"80544778-fabb-4dcd-aa35-17492e5dcf4f","Vulnerabilities","vulnerabilities",{"category":29},{"id":30,"icon":11,"name":31,"slug":32},"c5eccf7c-abbc-4bd3-bbed-e6da5cba8e73","Incident Response","incident-response",{"category":34},{"id":35,"icon":11,"name":36,"slug":37},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[39],{"type":40,"value":41,"context":42},"cve","CVE-2025-53521","F5 BIG-IP vulnerability initially misclassified as DoS, reclassified as RCE under active exploitation",[]]