CVE-2025-36504

highpriority · track · 0EPSS 0.004 · 38 %ileDEEUNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.44% (38th) EPSS

CVSS 7.5 · high

Is it mine?

87 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-27

When a BIG-IP HTTP/2 httprouter profile is configured on a virtual server, undisclosed responses can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

cvss

Technical severity, 0–10. One row per scoring source.

8.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.7

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · f5sirt@f5.comexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL

v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Lsecondary · ENISA EU

v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · f5sirt@f5.com

v4.06.6mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-770USCWE-770US

affected products (87)

Products and version ranges known to be affected.

F5 BIG-IP <16.1.6all versionscert_bundDE
F5 BIG-IP <17.1.2all versionscert_bundDE
F5 BIG-IP <2.0.0all versionscert_bundDE
F5 BIG-IP <20.3.0all versionscert_bundDE
F5 BIG-IP< 16.1.6cert_bundDE
F5 BIG-IP< 17.1.2cert_bundDE
F5 BIG-IP< 2.0.0cert_bundDE
F5 BIG-IP< 20.3.0cert_bundDE
F5 BIG-IPall versionsenisa_euvdEU
F5 BIG-IP16.1.0 → 16.1.6enisa_euvdEU
F5 BIG-IP17.1.0 → 17.1.2enisa_euvdEU
F5 BIG-IP Next20.2.0 → 20.3.0enisa_euvdEU
F5 BIG-IP Next CNF1.1.0 → *enisa_euvdEU
F5 BIG-IP Next CNF1.1.0 → 1.4.0enisa_euvdEU
F5 BIG-IP Next SPK1.7.0 → *enisa_euvdEU
F5 BIG-IP Next SPK1.8.0 → 2.0.0enisa_euvdEU
F5 BIG-IP≤ vers:unknown/16.1.0|<*ncsc_nlNL
F5 BIG-IP≤ vers:unknown/15.1.0|<15.1.9ncsc_nlNL
F5 BIG-IP≤ vers:unknown/15.1.0|<15.1.10.7ncsc_nlNL
F5 BIG-IP≤ vers:unknown/15.1.0|<*ncsc_nlNL

showing 20 of 87

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2025-0147Kwetsbaarheden verholpen in F5 BIG-IPNL2025-05-09csaf · ncsc_nlNL
F5 heeft kwetsbaarheden verholpen in de BIG-IP systemen.
WID-SEC-W-2025-0985F5 BIG-IP: Mehrere SchwachstellenDeutsch2025-05-07csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in F5 BIG-IP ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial-of-Service auszulösen oder Code auszuführen

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund ncsc_nl NVD CVE.org MITRE

published 2025-05-07modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan