CVE-2026-6432

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 77% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Improper bounds validation in EmberZNet SDK versions 9.0.2 and earlier may result in crashes or dynamic memory leakage.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
22.6%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 25, 2026

Advisory Details (2)

Auto-updated Jun 25, 2026
No patch confirmed yet.
generic
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000pYDOwIAO?operationContext=S1
generic

GitHub - SiliconLabsSoftware/sisdk-release: Simplicity GA release repo · GitHub

https://github.com/SiliconLabsSoftware/sisdk-release

Vendor Advisories for CVE-2026-6432(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 26× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 20:26 UTCEG score recompute
  2. 2026-07-06 20:26 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 22:02 UTCEG score recompute
  8. 2026-07-05 22:02 UTCGHSA enrichment
  9. 2026-07-05 02:31 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 23:49 UTCEG score recompute
  12. 2026-07-04 23:49 UTCGHSA enrichment
  13. 2026-07-04 06:31 UTCEPSS rescore
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-04 01:38 UTCEG score recompute
  16. 2026-07-04 01:37 UTCGHSA enrichment
  17. 2026-07-03 03:25 UTCEG score recompute
  18. 2026-07-03 03:25 UTCGHSA enrichment
  19. 2026-07-02 05:14 UTCEG score recompute
  20. 2026-07-02 05:14 UTCGHSA enrichment
  21. 2026-07-01 15:07 UTCEPSS rescore
  22. 2026-07-01 07:03 UTCEG score recompute
  23. 2026-07-01 07:02 UTCGHSA enrichment
  24. 2026-06-30 23:22 UTCEPSS rescore
  25. 2026-06-30 08:50 UTCEG score recompute
Show 18 more
  1. 2026-06-30 08:50 UTCGHSA enrichment
  2. 2026-06-29 14:06 UTCEPSS rescore
  3. 2026-06-29 10:39 UTCEG score recompute
  4. 2026-06-29 10:39 UTCGHSA enrichment
  5. 2026-06-28 14:07 UTCEPSS rescore
  6. 2026-06-28 12:27 UTCEG score recompute
  7. 2026-06-28 12:27 UTCGHSA enrichment
  8. 2026-06-28 04:56 UTCEPSS rescore
  9. 2026-06-27 14:16 UTCEG score recompute
  10. 2026-06-27 14:16 UTCGHSA enrichment
  11. 2026-06-27 03:08 UTCEPSS rescore
  12. 2026-06-26 16:04 UTCEG score recompute
  13. 2026-06-26 16:04 UTCGHSA enrichment
  14. 2026-06-25 17:53 UTCEG score recompute▲ 5.30
  15. 2026-06-25 17:53 UTCGHSA enrichment
  16. 2026-06-25 17:48 UTCNVD updateCVSS v3 → 5.3 · CVSS v4 → 5.3
  17. 2026-06-25 15:47 UTCEG score recompute
  18. 2026-06-25 15:47 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-6432?
CVE-2026-6432 is a medium vulnerability published on June 25, 2026. Improper bounds validation in EmberZNet SDK versions 9.0.2 and earlier may result in crashes or dynamic memory leakage.
When was CVE-2026-6432 disclosed?
CVE-2026-6432 was first published in the National Vulnerability Database on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6432 actively exploited?
CVE-2026-6432 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-6432?
CVE-2026-6432 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-6432?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-6432, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-6432

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