CVE-2025-21091— BIG-IP SNMP vulnerability
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I. Basic Information for CVE-2025-21091
Vulnerability Information
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Vulnerability Title
BIG-IP SNMP vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
When SNMP v1 or v2c are disabled on the BIG-IP, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: NVD (National Vulnerability Database)
Vulnerability Title
F5 BIG-IP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 BIG-IP是美国F5公司的一款集成了网络流量管理、应用程序安全管理、负载均衡等功能的应用交付平台。 F5 BIG-IP SNMP存在安全漏洞，该漏洞源于当禁用了SNMP v1或v2c时，未公开的请求可导致内存资源利用率增加。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-21091
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- BIG-IP SNMP vulnerability CVE-2025-21091vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-21091
Same Patch Batch · F5 · 2025-02-05 · 17 CVEs total
| CVE-2025-20029 | 8.8 HIGH | BIG-IP iControl REST and tmsh vulnerability |
| CVE-2025-23239 | 8.7 HIGH | BIG-IP iControl REST vulnerability |
| CVE-2025-24320 | 8.0 HIGH | BIG-IP Configuration utility vulnerability |
| CVE-2025-24497 | 7.5 HIGH | BIG-IP PEM vulnerability |
| CVE-2025-24312 | 7.5 HIGH | BIG-IP AFM vulnerability |
| CVE-2025-22846 | 7.5 HIGH | BIG-IP SIP Vulnerability |
| CVE-2025-23412 | 7.5 HIGH | BIG-IP APM access profile vulnerability |
| CVE-2025-24326 | 7.5 HIGH | BIG-IP Advanced WAF/ASM BADoS vulnerability |
| CVE-2025-22891 | 7.5 HIGH | BIG-IP PEM Vulnerability |
| CVE-2025-20045 | 7.5 HIGH | BIG-IP SIP MRF Vulnerability |
| CVE-2025-20058 | 7.5 HIGH | BIG-IP message routing vulnerability |
| CVE-2025-21087 | 7.5 HIGH | TMM Vulnerability |
| CVE-2025-24319 | 6.5 MEDIUM | BIG-IP Next Central Manager vulnerability |
| CVE-2025-23413 | 4.4 MEDIUM | BIG-IP Next Central Manager vulnerability |
| CVE-2025-23419 | 4.3 MEDIUM | TLS Session Resumption Vulnerability |
| CVE-2025-23415 | 3.1 LOW | BIG-IP APM Endpoint Inspection vulnerability |
IV. Related Vulnerabilities
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Junos OS: MX Series: Mismatch between configured and receive - CVE-2026-33782
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V. Comments for CVE-2025-21091
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