CVE-2025-54764

MEDIUM

Mbed TLS < 3.6.5 - Observable Timing Discrepancy in RSA Operations

Title source: llm
STIX 2.1

Description

Mbed TLS before 3.6.5 allows a local timing attack against certain RSA operations, and direct calls to mbedtls_mpi_mod_inv or mbedtls_mpi_gcd.

References (2)

Core 2

Scores

CVSS v3 6.2
EPSS 0.0018
EPSS Percentile 8.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-208
Status published
Products (1)
arm/mbed_tls < 3.6.5
Published Oct 20, 2025
Tracked Since Feb 18, 2026