CVE-2025-27243
Out-of-Bounds Write in Intel E810 Firmware Causes DoS
Publication date: 2026-02-10
Last updated on: 2026-03-17
Assigner: Intel Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| intel | ethernet_controller | to 30.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an out-of-bounds write issue in the firmware of certain Intel Ethernet Controller E810 devices before version cvl fw 1.7.8.x. It occurs within the Ring 0: Bare Metal OS environment and may allow a denial of service (DoS) attack.
An attacker with system software privileges and low complexity attack methods can exploit this vulnerability locally without user interaction or special internal knowledge.
How can this vulnerability impact me? :
The primary impact of this vulnerability is a denial of service, which affects the availability of the vulnerable system.
There is no impact on confidentiality or integrity according to the description.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know