CVE-2026-40435 — BIG-IP httpd access control vulnerability

CVE-2026-40435

BIG-IP httpd access control vulnerability PUBLISHED

Description (CNA)

When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected (CNA)

Vendor / product	Versions
F5 / BIG-IP	unaffected 21.0.0 before ; affected 17.5.0 before 17.5.1.4; affected 17.1.0 before 17.1.3.1; affected 16.1.0 before

CWE

CWE-420

References

https://my.f5.com/manage/s/article/K000156604

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.