CVE-2025-59438

Medium

Description

Mbed TLS through 3.6.4 has an Observable Timing Discrepancy.

SeverityMedium
CVSS5.3
Exploit probability—
ProductArm Mbed Tls
PublishedOct 21, 2025
First seenOct 21, 2025
Weakness typeCWE-208CWE-208

How to fix

Affected products

ProductAffected versionsFixed in
arm mbed_tlsv < 3.6.53.6.5

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.