CVEDB API

Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 6.1%

CVSS Severity

CVSS v3 Score 6.5

References

Products affected by CVE-2026-25834

Trustedfirmware » Mbed Tls » Version: 3.3.0

cpe:2.3:a:trustedfirmware:mbed_tls:3.3.0
Trustedfirmware » Mbed Tls » Version: 3.4.0

cpe:2.3:a:trustedfirmware:mbed_tls:3.4.0
Trustedfirmware » Mbed Tls » Version: 3.4.1

cpe:2.3:a:trustedfirmware:mbed_tls:3.4.1
Trustedfirmware » Mbed Tls » Version: 3.5.0

cpe:2.3:a:trustedfirmware:mbed_tls:3.5.0
Trustedfirmware » Mbed Tls » Version: 3.5.1

cpe:2.3:a:trustedfirmware:mbed_tls:3.5.1
Trustedfirmware » Mbed Tls » Version: 3.5.2

cpe:2.3:a:trustedfirmware:mbed_tls:3.5.2
Trustedfirmware » Mbed Tls » Version: 3.6.0

cpe:2.3:a:trustedfirmware:mbed_tls:3.6.0
Trustedfirmware » Mbed Tls » Version: 3.6.1

cpe:2.3:a:trustedfirmware:mbed_tls:3.6.1
Trustedfirmware » Mbed Tls » Version: 3.6.2

cpe:2.3:a:trustedfirmware:mbed_tls:3.6.2
Trustedfirmware » Mbed Tls » Version: 3.6.3

cpe:2.3:a:trustedfirmware:mbed_tls:3.6.3
Trustedfirmware » Mbed Tls » Version: 3.6.4

cpe:2.3:a:trustedfirmware:mbed_tls:3.6.4
Trustedfirmware » Mbed Tls » Version: 3.6.5

cpe:2.3:a:trustedfirmware:mbed_tls:3.6.5
Trustedfirmware » Mbed Tls » Version: 4.0.0

cpe:2.3:a:trustedfirmware:mbed_tls:4.0.0