Info Security Magazine
2 months ago
NCSC Urges Immediate Patching of F5 BIG-IP Bug
The National Cyber Security Centre wants UK firms to patch CVE-2025-53521
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Background for this topic.
F5 is a company that provides products and services to manage, secure, and optimize the delivery of network-based applications, as well as the security, performance, and availability of servers, data storage devices, and other network resources. In the context of information security, F5 is known for its Application Delivery Controllers (ADCs) that offer security features like web application firewall, DDoS protection, secure access, and fraud prevention capabilities.
The security solutions provided by F5 help organizations protect their data and network infrastructure from threats and attacks, while also ensuring compliance with regulatory standards. With the internet being an essential component for business operations, F5's offerings are crucial in safeguarding and streamlining the flow of data, thus maintaining the integrity and availability of online services.
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Dark Reading
2 months ago
F5 BIG-IP Vulnerability Reclassified as RCE, Under Exploitation
CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous.
Dark Reading
2 months ago
F5 BIG-IP Vulnerability Reclassified as RCE, Under Exploitation
CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous.
The Hacker News
2 months ago
CISA Adds CVE-2025-53521 to KEV After Active F5 BIG-IP APM Exploitation
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical security flaw impacting F5 BIG-IP Access Policy Manager (APM) to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation
Bleeping Computer
2 years, 7 months ago
F5 fixes BIG-IP auth bypass allowing remote code execution attacks
A critical vulnerability in the F5 BIG-IP configuration utility, tracked as CVE-2023-46747, allows an attacker with remote access to the configuration utility to perform unauthenticated remote code execution. [...]
Bleeping Computer
4 years ago
CISA shares guidance to block ongoing F5 BIG-IP attacks
In a joint advisory issued today, CISA and the Multi-State Information Sharing and Analysis Center (MS-ISAC) warned admins of active attacks targeting a critical F5 BIG-IP network security vulnerability (CVE-2022-1388). [...]
Bleeping Computer
4 years ago
CISA tells federal agencies to fix actively exploited F5 BIG-IP bug
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a new security vulnerability to its list of actively exploited bugs, the critical severity CVE-2022-1388 affecting BIG-IP network devices. [...]
Dark Reading
4 years ago
How to Check if Your F5 BIG-IP Device Is Vulnerable
This Tech Tip walks network administrators through the steps to address the latest critical remote code execution vulnerability (CVE-2022-1388) in F5's BIG-IP management interface.
Bleeping Computer
4 years ago
Hackers exploiting critical F5 BIG-IP bug, public exploits released
Threat actors have started massively exploiting the critical vulnerability tracked as CVE-2022-1388, which affects multiple versions of all F5 BIG-IP modules, to drop malicious payloads. [...]
Bleeping Computer
4 years ago
Hackers exploiting critical F5 BIG-IP flaw to drop backdoors
Threat actors have started massively exploiting the critical vulnerability tracked as CVE-2022-1388, which affects multiple versions of all F5 BIG-IP modules, to drop malicious payloads. [...]
Bleeping Computer
4 years ago
Exploits created for critical F5 BIG-IP flaw, install patch immediately
Security researchers are warning F5 BIG-IP admins to immediately install the latest security updates after creating exploits for a recently disclosed critical CVE-2022-1388 remote code execution vulnerability. [...]