VulnerabilityAwaiting Analysis

CVE-2025-36939

Multiple vulnerabilities exist in OpenThread's handling of MLE packets.

CRITICAL 10.0EPSS 0.23%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 4.0: 10.0 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.23% probability · 14th percentile
CISA KEV: Not listed
Weakness: CWE-121
Source: dsap-vuln-management@google.com

References

https://support.google.com/product-documentation/answer/17072818?hl=en&ref_topic=12974021&sjid=16276349370796658455-NC

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.