CVE-2026-40698
HIGHF5 BIG-IP and BIG-IQ - Authenticated Privilege Escalation via SNMP Configuration Object Creation
Title source: llmDescription
A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can create SNMP configuration objects through iControl REST or the TMOS shell (tmsh) resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
https://my.f5.com/manage/s/article/K000160981
Scores
CVSS v3
8.7
EPSS
0.0007
EPSS Percentile
22.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-77
Status
published
Products (6)
F5/BIG-IP
16.1.0
F5/BIG-IP
17.1.0 - 17.1.3.2
F5/BIG-IP
17.5.0 - 17.5.1.6
F5/BIG-IP
21.0.0 - 21.0.0.2
F5/BIG-IP
21.1.0
F5/BIG-IQ
8.4.0
Published
May 13, 2026
Tracked Since
May 13, 2026