Last Modified: Jul 10, 2026
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
17.5.1.6
Opened: May 04, 2026 Severity: 1-Blocking Related Article:
K000161170
The BIG-IP system is inaccessible via SSH or console. Running df shows that the /usr partition is 100% full.
Remote or console access to BIG-IP is not possible or upgrade failure
One of the following: -- Upgrade an iSeries system to BIG-IP 17.5.1.6 -- Upgrade an VIPRION B4450N system to BIG-IP 17.5.1.6 -- Upgrade a vCMP guest, F5OS tenant, VIPRION, VE, or non-iSeries appliance to Hotfix 17.5.1.6.0.39.25-ENG (see https://cdn.f5.com/product/bugtracker/ID2296269.html)
See KB article K000161170: https://my.f5.com/manage/s/article/K000161170 For iSeries appliances with an onboard FIPS HSM and VIPRION B4450N, follow option B. For all other systems, use an engineering hotfix with the fix for ID2296269.
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