CVE-2026-40698

EUVD-2026-29979
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.
Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
f5CNA
8.7 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
f5big-ip
21.0.0 ≤
𝑥
< 21.0.0.2
CNA
f5big-ip
17.5.0 ≤
𝑥
< 17.5.1.6
CNA
f5big-ip
17.1.0 ≤
𝑥
< 17.1.3.2
CNA
Common Weakness Enumeration
References
https://my.f5.com/manage/s/article/K000160981