CVE-2026-25834
Medium
Description
Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade.
SeverityMedium
CVSS6.5
Exploit probability—
ProductTrustedfirmware Mbed Tls
PublishedApr 1, 2026
First seenApr 1, 2026
Weakness typeCWE-295CWE-295CWE-327CWE-327
How to fix
Update
- trustedfirmware mbed_tls3.6.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| trustedfirmware mbed_tls | 3.3.0 ≤ v < 3.6.6, 4.0.0 | 3.6.6 |
Check your version
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