CVE-2021-40526

MEDIUM

Peleton TTR01 <PTV55G - DoS

Title source: llm

Description

Incorrect calculation of buffer size vulnerability in Peleton TTR01 up to and including PTV55G allows a remote attacker to trigger a Denial of Service attack through the GymKit daemon process by exploiting a heap overflow in the network server handling the Apple GymKit communication. This can lead to an Apple MFI device not being able to authenticate with the Peleton Bike

Scores

CVSS v3 4.8
EPSS 0.0081
EPSS Percentile 74.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Classification

CWE
CWE-131
Status published

Affected Products (1)

onepeloton/ttr01_firmware < ptv55g

Timeline

Published Oct 25, 2021
Tracked Since Feb 18, 2026