CVE-2025-47187

Description

A vulnerability in the Mitel 6800 Series, 6900 Series, and 6900w Series SIP Phones through 6.4 SP4 (R6.4.0.4006), and the 6970 Conference Unit through 6.4 SP4 (R6.4.0.4006) or version V1 R0.1.0, could allow an unauthenticated attacker to perform a file upload attack due to missing authentication mechanisms. A successful exploit could allow an attacker to upload arbitrary WAV files, which may potentially exhaust the phone’s storage without affecting the phone's availability or operation.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.08%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.mitel.com/support/security-advisories
https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-misa-2025-0004

Frequently Asked Questions

What is the severity of CVE-2025-47187?
CVE-2025-47187 has been scored as a high severity vulnerability.
How to fix CVE-2025-47187?
To fix CVE-2025-47187, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-47187 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-47187 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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