CVE-2026-25834

MEDIUM

Mbed TLS 3.3.0-3.6.5, 4.0.0 - Algorithm Downgrade

Title source: llm
STIX 2.1

Description

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

References (2)

Scores

CVSS v3 6.5
EPSS 0.0002
EPSS Percentile 5.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-295 CWE-327
Status published
Products (2)
arm/mbed_tls 4.0.0
arm/mbed_tls 3.3.0 - 3.6.6
Published Apr 01, 2026
Tracked Since Apr 01, 2026