What’s Vulnerable › Vulnerabilities

CVE-2020-8916: Memory leak in wpanctl can lead to DoS

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-07 · updated 2026-06-17
• Weakness: CWE-401

Description

A memory leak in Openthread's wpantund versions up to commit 0e5d1601febb869f583e944785e5685c6c747be7, when used in an environment where wpanctl is directly interfacing with the control driver (eg: debug environments) can allow an attacker to crash the service (DoS). We recommend updating, or to restrict access in your debug environments.

Affected products

• Google LLC wpantund: through 2020-05-28

References

• https://github.com/openthread/wpantund/pull/468/commits/0e5d1601febb869f583e944785e5685c6c747be7
• https://github.com/openthread/wpantund/pull/468/commits/0e5d1601febb869f583e944785e5685c6c747be7

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