CVE-2025-53521 — F5 BIG-IP Stack-Based Buffer Overflow Vulnerability

Kurzinfo

Metadaten

  • Original (extern): Link oeffnen
  • Veroeffentlicht: 2026-03-27 00:00 UTC
  • Importiert: 2026-10-20 22:46 UTC
  • CVSS: 9.8
  • Quelle-ID: cisa_kev
  • uid_hash: d216b101305e31ca54159fe96c2faab1c59bb13cf3f00fb1cbcaa4faa898c8fd

Inhalt

Vendor / Project: F5 Product: BIG-IP Description: F5 BIG-IP APM contains a stack-based buffer overflow vulnerability that could allow a threat actor to achieve remote code execution. Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due Date: 2026-03-30 Ransomware Campaign Use: Unknown CWEs: CWE-121 Notes: Please adhere to F5’s guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible F5 products affected by this vulnerability. For more information please see: https://my.f5.com/manage/s/article/K000156741 ; https://my.f5.com/manage/s/article/K000160486 ; https://my.f5.com/manage/s/article/K11438344 ; https://nvd.nist.gov/vuln/detail/CVE-2025-53521

Verknuepfte CVEs

CVE-ID Severity (Quelle) CVSS (Quelle) Severity (CVE.org) CVSS (CVE.org) EPSS EPSS-Pctl Veroeffentlicht (CVE.org)

CVE-2025-53521

CRITICAL

9.8

CRITICAL

9.8

0.02295

0.83023

2025-10-15

Quellen-Details

Bezeichnung Name Kategorie Tags Zielgruppe Sprache Feed-URL
CISA – Known Exploited Vulnerabilities (KEV)

cisa_kev

threat_intel cisa, kev - de https://raw.githubusercontent.com/cisagov/kev-data/develop/known_exploited_vulnerabilities.json