CVE-2025-59781 (GCVE-0-2025-59781)

Vulnerability from cvelistv5 – Published: 2025-10-15 13:55 – Updated: 2026-02-26 16:57
VLAI
Title
BIG-IP DNS cache vulnerability
Summary
When DNS cache is configured on a BIG-IP or BIG-IP Next CNF virtual server, undisclosed DNS queries can cause an increase in memory resource utilization.   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-16 03:56 UTC
CWE
Assigner
f5 CNA under the mitre root
CNA scorecard B 84/100 over 87 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
F5 BIG-IP Unaffected: 17.5.0 , < * (custom)
Affected: 17.1.0 , < 17.1.2.2 (custom)
Affected: 16.1.0 , < 16.1.6 (custom)
Affected: 15.1.0 , < 15.1.10.8 (custom)
guessed Create a notification for this product.
F5 BIG-IP Next CNF Unaffected: 2.0.0 , < * (custom)
Affected: 1.1.0 , < * (custom)
guessed Create a notification for this product.
Date Public
2025-10-15 14:00
Credits
F5
Show details on NVD website
To clipboard 

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  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.