CVE-2026-41959

EUVD-2026-29992
Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell (tmsh) network diagnostics commands and in BIG-IP iControl REST. These vulnerabilities may allow an authenticated attacker to view the network status of destination systems.

 Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
f5CNA
6.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
f5big-ip
21.0.0 ≤
𝑥
< 21.0.0.2
CNA
f5big-ip
17.5.0 ≤
𝑥
< 17.5.1.6
CNA
f5big-ip
17.1.0 ≤
𝑥
< 17.1.3.2
CNA
Common Weakness Enumeration
References
https://my.f5.com/manage/s/article/K000161022