CVE-2025-24851

Privileged service interruption via uncaught firmware exception

Published Feb 10, 2026 · Updated Feb 10, 2026

Uncaught exception in Intel Ethernet Controller E810 firmware before cvl fw 1.7.8.x allows local users to interrupt service. Intel identifies the defect only as an uncaught Ring 0 firmware exception and has not disclosed the input or operation that triggers it. Exploitation requires high privileges on the bare-metal host, needs no user interaction, and affects availability without reported data exposure or modification.

CVSS severity6.0
Medium
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncaught exception in Intel Ethernet Controller E810 firmware before cvl fw 1.7.8.x allows local users to interrupt service. Intel identifies the defect only as an uncaught Ring 0 firmware exception and has not disclosed the input or operation that triggers it. Exploitation requires high privileges on the bare-metal host, needs no user interaction, and affects availability without reported data exposure or modification.

The record

CVE
CVE-2025-24851
Published
Feb 10, 2026
Updated
Feb 10, 2026
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Ethernet Controller E810
Classifications
CWE-248, T1499
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Feb 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=before version cvl fw 1.7.8.x

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Topcon Positioning Systems, Inc. · Intel Ethernet Controller E810version=before version cvl fw 1.7.8.x

Published CVSS scores

4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
6.0Intel CorporationCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
6.0Intel CorporationCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-248Uncaught Exception
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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