CVE-2025-53521
F5 BIG-IP Stack-Based Buffer Overflow Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.3
- EPSS
- 2.25% 백분위 80.7% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2026.03.30
- 공개일
- 2025.10.15
CISA KEV에 등록된 실제 악용 확인 취약점
When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
공급사 F5
제품 BIG-IP
영향 버전 17.5.0, 17.1.0, 16.1.0, 15.1.0, >= 15.1.0 < 15.1.10.8, >= 16.1.0 < 16.1.6.1, >= 17.1.0 < 17.1.3, >= 17.5.0 < 17.5.1.3
수정 버전 15.1.10.8, 16.1.6.1, 17.1.3, 17.5.1.3
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
조치 기한: 2026.03.30CVSS 벡터 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE CWE-121
KEV 등록일 2026.03.27
랜섬웨어 캠페인 사용 미확인
CISA 비고 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
EPSS 데이터 기준일 2026.06.27