What’s Vulnerable › Vulnerabilities

CVE-2021-33889

• Severity: medium (CVSS 6.8 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: 2021-07-02 · updated 2026-06-17
• Weakness: CWE-787

Description

OpenThread wpantund through 2021-07-02 has a stack-based Buffer Overflow because of an inconsistency in the integer data type for metric_len.

Affected products

• Google LLC wpantund: through 2021-07-02

References

• https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0019/FEYE-2021-0019.md
• https://github.com/openthread/wpantund/issues/502
• https://github.com/openthread/wpantund/releases
• https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0019/FEYE-2021-0019.md
• https://github.com/openthread/wpantund/issues/502
• https://github.com/openthread/wpantund/releases

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