What’s Vulnerable › Vulnerabilities

CVE-2018-5510

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-04-13 · updated 2026-06-17
• Weakness: CWE-20

Description

On F5 BIG-IP 11.5.4 HF4-11.5.5, the Traffic Management Microkernel (TMM) may restart when processing a specific sequence of packets on IPv6 virtual servers.

Affected products

• F5 BIG-IP APM: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• BIG-IP: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 Big-Ip Analytics: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 Networks, Inc. BIG-IP (AAM): 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• BIG-IP ASM: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 BIG-IP DNS: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 Big-Ip Edge Gateway: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 Big-Ip Global Traffic Manager: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 Big-Ip Link Controller: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 BIG-IP (LTM): 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 Networks, Inc. BIG-IP (PEM): 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 Big-Ip Webaccelerator: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5
• F5 Big-Ip Websafe: 11.5.4, 11.5.4-hf1, 11.5.4-hf2, 11.5.4-hf3, 11.5.4-hf4, 11.5.5

References

• https://support.f5.com/csp/article/K77671456
• https://support.f5.com/csp/article/K77671456

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