8.7

CVE-2025-46405: f5 big-ip Stack-based Buffer Overflow

CVSS: 8.7v4.0HighAnalyzed
Published 13-08-2025Last modified 13-08-2025
Open JSON

Vulnerability summary

CVE-2025-46405 is a high (CVSS 8.7) Stack-based Buffer Overflow vulnerability in f5 big-ip. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.6% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-08-2025
    PublishedVulnerability first disclosed.
  2. 13-08-2025
    Last modifiedVulnerability information updated.

Description

When Network Access is configured on a BIG-IP APM virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

0.00 pp

From 0.34% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

F52 products
  • big-ip≥ 17.1.0, < 17.1.2.2 | ≥ 16.1.0, < 16.1.6 | ≥ 15.1.0 (No fix recorded)
  • big-ip_access_policy_manager≥ 15.1.0, < 15.1.10.8 | ≥ 16.1.0, < 16.1.6 | ≥ 17.1.0, < 17.1.2.2

1 vendor · 2 products

References

1 links