CVE-2026-41217 | THREATINT

Description

A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

PUBLISHED Reserved 2026-04-30 | Published 2026-05-13 | Updated 2026-05-13 | Assigner f5

MEDIUM: 6.0CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Standard Deployment

HIGH: 8.3CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Standard and Appliance Mode Deployment

HIGH: 7.9CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Appliance Mode

Problem types

CWE-732 Incorrect Permission Assignment for Critical Resource

Product status

Default status

unknown

21.1.0 (custom) before *

unaffected

21.0.0 (custom) before 21.0.0.2

affected

17.5.0 (custom) before 17.5.1.6

affected

17.1.0 (custom) before 17.1.3.2

affected

16.1.0 (custom) before *

affected

Credits

F5 finder

References

my.f5.com/manage/s/article/K000161107 vendor-advisory patch

cve.org (CVE-2026-41217)

nvd.nist.gov (CVE-2026-41217)

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