CVE-2026-20730— BIG-IP Edge Client for Windows vulnerability
Quick assessment
Affected
F5 BIG-IP Edge Client
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
F5 BIG-IP Edge Client是美国F5公司的一个安全远程访问客户端软件。 F5 BIG-IP Edge Client存在信息泄露漏洞，该漏洞源于可能允许攻击者访问敏感信息。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2026-20730
Vulnerability Information
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Vulnerability Title
BIG-IP Edge Client for Windows vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability exists in BIG-IP Edge Client and browser VPN clients on Windows that may allow attackers to gain access to sensitive information. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
F5 BIG-IP Edge Client 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 BIG-IP Edge Client是美国F5公司的一个安全远程访问客户端软件。 F5 BIG-IP Edge Client存在信息泄露漏洞，该漏洞源于可能允许攻击者访问敏感信息。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| F5 | BIG-IP Edge Client | 7.2.5 ~ 7.2.6.2 | - |
|
II. Public POCs for CVE-2026-20730
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-20730 (1)
-
https://my.f5.com/manage/s/article/K000158931 vendor-advisory
Same Patch Batch · F5 · 2026-02-04 · 5 CVEs total
| CVE-2026-22548 | 5.9 MEDIUM | BIG-IP Advanced WAF and ASM vulnerability |
| CVE-2026-1642 | 5.9 MEDIUM | NGINX vulnerability |
| CVE-2026-22549 | 4.9 MEDIUM | BIG-IP Container Ingress Services vulnerability |
| CVE-2026-20732 | 3.1 LOW | BIG-IP Configuration utility vulnerability |
IV. Related Vulnerabilities
Same product: BIG-IP Edge Client
-
CVE-2025-48500
BIG-IP APM VPN web client for macOS vulnerability -
CVE-2024-28883
BIG-IP APM browser network access VPN client vulnerability -
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BIG-IP Edge Client for macOS vulnerability -
CVE-2023-5450
BIG-IP Edge Client for macOS vulnerability -
CVE-2023-43125
BIG-IP APM Clients TunnelCrack vulnerability
Same weakness: CWE-200
-
CVE-2026-105030
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YesWiki before 4.6.7 Read-ACL Bypass via recentchangesrssplu -
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SiYuan before v3.8.5 Information Disclosure via /api/noteboo
V. Comments for CVE-2026-20730
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