Insyde H2O up to 5.7 on Lenovo SetupAutomationSmm stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Insyde H2O on Lenovo. The impacted element is an unknown function of the component SetupAutomationSmm. Such manipulation leads to stack-based overflow. This vulnerability is documented as CVE-2025-4425. The attack needs to be performed locally. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Insyde H2O on Lenovo. Affected by this issue is an unknown functionality of the component SetupAutomationSmm. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

The vulnerability was identified in the code developed specifically for Lenovo. Please visit "Lenovo Product Security Advisories and Announcements" webpage for more information about the vulnerability.  https://support.lenovo.com/us/en/product_security/home

The advisory is shared for download at insyde.com. This vulnerability is handled as CVE-2025-4425 since 05/08/2025. The exploitation is known to be difficult. The attack needs to be approached locally. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version L05.05.40.011803.172079 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.4
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (Insyde): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: H2O L05.05.40.011803.172079

Timelineinfo

05/08/2025 CVE reserved
07/30/2025 +83 days Advisory disclosed
07/30/2025 +0 days VulDB entry created
07/30/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: insyde.com
Status: Confirmed

CVE: CVE-2025-4425 (🔒)
GCVE (CVE): GCVE-0-2025-4425
GCVE (VulDB): GCVE-100-318116

Entryinfo

Created: 07/30/2025 08:15
Changes: 07/30/2025 08:15 (65)
Complete: 🔍
Cache ID: 216::103

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