Incorrect calculation of buffer size vulnerability in Peleton TTR01 up to and including…
Priority LOW 26CWE-131Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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
Why it matters now
EPSS 0.00981 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:onepeloton:ttr01_firmware:*:*:*:*:*:*:*:* | up to ptv55g | Vulnerable | Onepeloton |
| cpe:2.3:h:onepeloton:ttr01:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Onepeloton |
- cpe:2.3:o:onepeloton:ttr01_firmware:*:*:*:*:*:*:*:* Versions up to ptv55g Vulnerable ·Onepeloton
- cpe:2.3:h:onepeloton:ttr01:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Onepeloton
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-40526
- 2026-10-03 Alias added: GHSA-jvqh-h8m5-xc3q
References
More Onepeloton Ttr01 Firmware vulnerabilities
- TI-2021-13207 Insufficient verification of data authenticity in Peloton TTR01 up to and including… CVSS 3.1MEDIUM 6.8
Sources
- CVE-2021-40526 · CVE Program
- CVE-2021-40526 · NVD
- FIRST EPSS
- GHSA-jvqh-h8m5-xc3q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences