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CVE-2025-35995— BIG-IP PEM vulnerability

Quick assessment

Affected
F5 BIG-IP
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 PEM是美国F5公司的使用在BIG-IP中的一款策略执行器。 F5 BIG-IP PEM存在缓冲区错误漏洞，该漏洞源于URL分类导致TMM终止。

CVSS 7.5 · High EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-35995

Vulnerability Information
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Vulnerability Title
BIG-IP PEM vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
When a BIG-IP PEM system is licensed with URL categorization, and the URL categorization policy or an iRule with the urlcat command is enabled on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. 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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
F5 BIG-IP PEM 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 BIG-IP PEM是美国F5公司的使用在BIG-IP中的一款策略执行器。 F5 BIG-IP PEM存在缓冲区错误漏洞，该漏洞源于URL分类导致TMM终止。
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 17.5.0 ~ * -

II. Public POCs for CVE-2025-35995

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III. Intelligence Information for CVE-2025-35995

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Vendor Advisories for CVE-2025-35995 (1)

Same Patch Batch · F5 · 2025-05-07 · 12 CVEs total

CVE-2025-46265 8.8 HIGH F5OS vulnerability
CVE-2025-31644 8.7 HIGH Appliance mode BIG-IP iControl REST and tmsh vulnerability
CVE-2025-36546 8.1 HIGH F5OS Appliance Mode vulnerability
CVE-2025-41431 7.5 HIGH TMM Vulnerability
CVE-2025-36525 7.5 HIGH BIG-IP APM PingAccess Virtual Server Vulnerability
CVE-2025-36504 7.5 HIGH BIG-IP HTTP/2 vulnerability
CVE-2025-41414 7.5 HIGH BIG-IP HTTP/2 vulnerability
CVE-2025-41433 7.5 HIGH BIG-IP SIP ALG profile vulnerability
CVE-2025-36557 7.5 HIGH BIG-IP HTTP vulnerability
CVE-2025-41399 7.5 HIGH SCTP Vulnerability
CVE-2025-43878 6.0 MEDIUM F5OS-A/C CLI vulnerability

IV. Related Vulnerabilities

Same product: BIG-IP
Same vendor: F5
Same weakness: CWE-125

V. Comments for CVE-2025-35995

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