Vulnerability · Published Feb 25, 2025 · Assigned by icscert

CVE-2025-1204

High 7.7

In plain English

A high-severity security flaw in CMS8000 Patient Monitor from Contec Health. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 4.0)7.7High

Exploit odds (30 days)0.5%top 58.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

The "update" binary in the firmware of the affected product sends attempts to mount to a hard-coded, routable IP address, bypassing existing device network settings to do so. The function triggers if the 'C' button is pressed at a specific time during the boot process. If an attacker is able to control or impersonate this IP address, they could upload and overwrite files on the device.

Affected products (as reported)

Vendor	Product	Versions
Contec Health	CMS8000 Patient Monitor	0

Weakness: CWE-912 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

https://claroty.com/team82/research/are-contec-cms8000-patient-monitors-infected-with-a-chinese-backdoor-the-reality-is-more-complicated?ref=vault33.org third-party-advisory
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-030-01 government-resource