CVE-2025-27243
Awaiting Analysis Awaiting Analysis - Queue
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
Out-of-bounds write in the firmware for some Intel(R) Ethernet Controller E810 before version cvl fw 1.7.8.x within Ring 0: Bare Metal OS may allow a denial of service. System software adversary with a privileged user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-02-10
Last Modified
2026-03-17
Generated
2026-06-16
AI Q&A
2026-02-10
EPSS Evaluated
2026-06-15
NVD
CVE-2025-27243
EUVD
EUVD-2025-207270
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
intel ethernet_controller to 30.3 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

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.

Impact Analysis

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.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-27243. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart