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CVE Vulnerability Details :
CVE-2026-42408
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-13 May, 2026 | 16:15
Rejected At-
▼CVE Numbering Authority (CNA)
BIG-IP DNS tmsh vulnerability

When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view sensitive information.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected Products
Vendor
F5, Inc.F5
Product
BIG-IP
Modules
  • DNS
Default Status
unknown
Versions
Affected
  • From 17.5.0 before 17.5.1.4 (custom)
  • From 17.1.0 before 17.1.3.1 (custom)
  • From 16.1.0 before * (custom)
Unaffected
  • From 21.0.0 before * (custom)
Problem Types
TypeCWE IDDescription
CWECWE-312CWE-312 Cleartext Storage of Sensitive Information
Type: CWE
CWE ID: CWE-312
Description: CWE-312 Cleartext Storage of Sensitive Information
Metrics
VersionBase scoreBase severityVector
3.14.4MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
4.06.7MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 3.1
Base score: 4.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Version: 4.0
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA: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/K000157981
vendor-advisory
patch
Hyperlink: https://my.f5.com/manage/s/article/K000157981
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