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CVE Vulnerability Details :
CVE-2026-40698
PUBLISHED
More InfoOfficial Page
Assigner-f5
Assigner Org ID-9dacffd4-cb11-413f-8451-fbbfd4ddc0ab
View Known Exploited Vulnerability (KEV) details
Published At-13 May, 2026 | 14:12
Updated At-14 May, 2026 | 03:56
Rejected At-
▼CVE Numbering Authority (CNA)
iControl REST and TMSH vulnerability

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 Products
Vendor
F5, Inc.F5
Product
BIG-IP
Modules
  • All Modules
Default Status
unknown
Versions
Affected
  • From 21.0.0 before 21.0.0.2 (custom)
  • From 17.5.0 before 17.5.1.6 (custom)
  • From 17.1.0 before 17.1.3.2 (custom)
  • From 16.1.0 before * (custom)
Unaffected
  • From 21.1.0 before * (custom)
Vendor
F5, Inc.F5
Product
BIG-IQ
Default Status
unaffected
Versions
Affected
  • From 8.4.0 before * (custom)
Problem Types
TypeCWE IDDescription
CWECWE-77CWE-77 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Type: CWE
CWE ID: CWE-77
Description: CWE-77 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Metrics
VersionBase scoreBase severityVector
3.18.7HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
4.08.5HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Version: 3.1
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Version: 4.0
Base score: 8.5
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

finder
F5
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://my.f5.com/manage/s/article/K000160981
vendor-advisory
patch
Hyperlink: https://my.f5.com/manage/s/article/K000160981
Resource:
vendor-advisory
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found