What is CVE-2025-53963?

CVE-2025-53963 is a critical-severity vulnerability in Thermofisher Ion Torrent Onetouch 2, classified under Weak Password Requirements. CVSS score: 9.8/10. Published 2025-12-04.

How severe is CVE-2025-53963?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Thermofisher Ion Torrent Onetouch 2

CVE-2025-53963

An issue was discovered on Thermo Fisher Ion Torrent OneTouch 2 INS1005527 devices. They run an SSH server accessible over the default port 22. The root account has a weak default password of ionadmin, and a password change policy for the root account is not enforced. Thus, an attacker with network connectivity can achieve root code execution. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

EPSS: 0.004 (33.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Thermofisher Ion_torrent_onetouch_2
Thermofisher Ion_torrent_onetouch_2_firmware
N/a — versions n/a

Weakness classification (CWE)

CWE-521 — Weak Password Requirements

References

cve@mitre.org (Permissions Required)
cve@mitre.org (Product)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-53963?: CVE-2025-53963 is a critical-severity vulnerability in Thermofisher Ion Torrent Onetouch 2, classified under Weak Password Requirements. CVSS score: 9.8/10. Published 2025-12-04.
How severe is CVE-2025-53963?: Critical severity. CVSS v3 base score is 9.8 out of 10.