CVE-2025-10285

NTLMv2 hash disclosure via public web interface

Published Dec 4, 2025 · Updated Dec 5, 2025

Information disclosure in Silicon Labs Simplicity Device Manager before 0.100.18 allows attackers to extract a Windows user’s NTLMv2 hash. The publicly exposed web interface yields NTLMv2 challenge-response material, but Silicon Labs has not published the responsible endpoint or request-handling flaw. Exploitation requires adjacent-network access and passive interaction by a Windows user; successful offline cracking reveals the domain password.

CVSS severity7.4
High
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Silicon Labs Simplicity Device Manager before 0.100.18 allows attackers to extract a Windows user’s NTLMv2 hash. The publicly exposed web interface yields NTLMv2 challenge-response material, but Silicon Labs has not published the responsible endpoint or request-handling flaw. Exploitation requires adjacent-network access and passive interaction by a Windows user; successful offline cracking reveals the domain password.

The record

CVE
CVE-2025-10285
Published
Dec 4, 2025
Updated
Dec 5, 2025
Vendor
Sigma Designs
Product
Simplicity Studio
Classifications
CWE-200, CAPEC-115, T1187
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 5, 2025Record 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=0 <0.100.18

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Sigma Designs · Simplicity Studioversion=0 <0.100.18

Published CVSS scores

7.4Silicon LabsCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CAPEC-115Authentication Bypass
T1187Forced Authentication

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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