CVE-2026-40698

Summary

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.

Affected Software

VendorProductVersion RangeStatus
F5BIG-IP21.1.0 < *unaffected
F5BIG-IP21.0.0 < 21.0.0.2affected
F5BIG-IP17.5.0 < 17.5.1.6affected
F5BIG-IP17.1.0 < 17.1.3.2affected
F5BIG-IP16.1.0 < *affected
F5BIG-IQ8.4.0 < *affected

Weaknesses

  • CWE-77: CWE-77 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References