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Δ / VULNERABILITY RECORD

CVE-2025-53521.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSUnscoredNo severity score in this snapshot.
EXPLOITATION STATUSCISA known exploitedAdded Mar 27, 2026
RECORD STATUSAwaiting NVD dataModified Mar 27, 2026

Disclosure summary

F5 BIG-IP APM contains a stack-based buffer overflow vulnerability that could allow a threat actor to achieve remote code execution.

CISA remediation guidance

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Original records & references

PUBLISHED 2026-03-27T00:00:00-04:00
MODIFIED 2026-03-27T00:00:00-04:00
INGESTED 2026-10-06T11:42:57-04:00