VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVPublished CVSS 10.0 criticalEPSS 0.3% probability of exploitation in 30 days
Google

CVE-2025-36939: Multiple vulnerabilities exist in OpenThread's handling of MLE packets.

Is it exploited?

Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.

How likely is exploitation in the next 30 days?
0.3%

Up from 0.2% on .

EPSS score, percentile 17.9 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
10.0 Critical

CVSS v4.0 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

Advisories and patches (1)

Which versions are affected?

Affected

  • 3.78.518349

Versions by product

Source: CISA KEV 2026.10.29, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

What to do

Advisories and patches

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

As listed in the CVE record.

Google Nest
StatusVersions
Affected3.78.518349

Versions not listed are: unaffected.

Source: CVE List, as of . About the data.

About this vulnerability

Multiple vulnerabilities exist in OpenThread's handling of MLE packets. An authenticated attacker on the same Thread network could send specially crafted packets to cause a denial of service. These issues include triggerable assertion failures and a stack-based buffer overflow.

Summary: CVE record, as of .

  • CISA has not added CVE-2025-36939 to its Known Exploited Vulnerabilities (KEV) catalog, as of 29 Oct 2026.
  • The CVE record was published on 24 Aug 2026.
  • The CVE record carries a CVSS v4.0 base score of 10.0 (Critical), given by its CNA.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.3% (percentile 17.9), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
  • CISA's SSVC assessment in the CVE record: exploitation none, automatable no, technical impact partial.

Source: CISA KEV 2026.10.29, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.

Description

Multiple vulnerabilities exist in OpenThread's handling of MLE packets. An authenticated attacker on the same Thread network could send specially crafted packets to cause a denial of service. These issues include triggerable assertion failures and a stack-based buffer overflow.

Source: CVE List, as of . About the data.

Weakness

CWE-121
  • CWE-121: Stack-based Buffer Overflow

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published

Known exploited Google vulnerabilities

  • CVE-2026-111497: Google Brotli Unchecked Return Value Vulnerability (added )
  • CVE-2026-58704: Google Pixel Improper Authorization Vulnerability (added )
  • CVE-2026-87491: Google Chromium V8 Out of Bounds Write Vulnerability (added )
  • CVE-2026-85046: Google Chromium V8 Type Confusion Vulnerability (added )
  • CVE-2026-11645: Google Chromium V8 Out-of-Bounds Read and Write Vulnerability (added )