CVE-2021-31577

9.8 criticalEPSS 1.1%

Critical (9.8) in mediatek. EPSS 1.1% chance of exploitation in the next 30 days.

In Boa, there is a possible escalation of privilege due to a missing permission check. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2023-02-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mediatek:en7528_firmware
mediatek:en7580_firmware

References

https://corp.mediatek.com/product-security-acknowledgements
https://corp.mediatek.com/product-security-acknowledgements

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