High 7.5Published Oct 15, 2025

CVE-2025-46706BIG-IP iRules vulnerability

Updated under an hour ago (Oct 26, 2026, 8:30 PM ET)

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It affects F5 BIG-IP and 25 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for F5 BIG-IP

Exploited in the last 30 days

When an iRule containing the HTTP::respond command is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-770
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: f5
NVD analysis: Analyzed
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

F5 BIG-IP f5:big_ip (from the name)	from 17.5.0 not affected; from 17.1.0 before 17.1.2.2; from 16.1.0 before 16.1.6; from 15.1.0 not affected	CNA record
F5 BIG-IP Next SPK f5:big_ip_next_spk (from the name)	from 2.0.0 not affected; from 1.7.0; fixed at 1.7.14-EHF-2	CNA record
F5 BIG-IP Next CNF f5:big_ip_next_cnf (from the name)	from 2.0.0 not affected; from 1.1.0; fixed at 1.4.0-EHF-3	CNA record
f5 big-ip_next_cloud-native_network_functions f5:big-ip_next_cloud-native_network_functions	from 1.1.0 through 1.4.1	NVD
f5 big-ip_next_service_proxy_for_kubernetes f5:big-ip_next_service_proxy_for_kubernetes	from 1.7.0 through 1.9.2	NVD
f5 big-ip_access_policy_manager f5:big-ip_access_policy_manager	from 16.1.0 before 16.1.6; from 17.1.0 before 17.1.2.2	NVD
f5 big-ip_advanced_firewall_manager f5:big-ip_advanced_firewall_manager	from 16.1.0 before 16.1.6; from 17.1.0 before 17.1.2.2	NVD
f5 big-ip_advanced_web_application_firewall f5:big-ip_advanced_web_application_firewall	from 16.1.0 before 16.1.6; from 17.1.0 before 17.1.2.2	NVD
f5 big-ip_analytics f5:big-ip_analytics	from 16.1.0 before 16.1.6; from 17.1.0 before 17.1.2.2	NVD
f5 big-ip_application_acceleration_manager f5:big-ip_application_acceleration_manager	from 16.1.0 before 16.1.6; from 17.1.0 before 17.1.2.2	NVD
1–10 of 26

References

References

https://my.f5.com/manage/s/article/K000151611	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.