CVE-2021-31577: MediaTek EN7528 Firmware

Critical severity, CVSS 9.8. 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.

Affected products

• MediaTek EN7528 Firmware: before tlm7.3.275.0-64 (fixed in tlm7.3.275.0-64)
• MediaTek EN7580 Firmware: before tlm7.3.275.0-64 (fixed in tlm7.3.275.0-64)

Published 2023-02-06. Last modified 2026-06-17.