CVE-2026-42408 — MEDIUM (4.4)

Vulnerability Description

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.

CVSS Score

4.4

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-312

References

https://my.f5.com/manage/s/article/K000157981

FAQ

What is CVE-2026-42408?

CVE-2026-42408 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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: Softw...

How severe is CVE-2026-42408?

CVE-2026-42408 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42408?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.