Buffer overflow in Smiths-Medical Medfusion 4000 Wireless Syringe Infusion Pump

CVE-2017-12718

A Classic Buffer Overflow issue was discovered in Smiths Medical Medfusion 4000 Wireless Syringe Infusion Pump, Version 1.1, 1.5, and 1.6. A third-party component used in the pump does not verify input buffer size prior to copying, leading to a buffer overflow, allowing remote code execution on the target device. The pump receives the potentially malicious input infrequently and under certain conditions, increasing the difficulty of exploitation.

Vulnerability class: Buffer Overflow

EPSS: 0.128 (95.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-12718?
CVE-2017-12718 is a high-severity vulnerability in Smiths-Medical Medfusion 4000 Wireless Syringe Infusion Pump, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.1/10. Published 2018-02-15.
How severe is CVE-2017-12718?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-12718 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.