Razer Synapse 3 Chrome Connect link following

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Razer Synapse 3. The impacted element is an unknown function of the component Chrome Connect. The manipulation results in link following. This vulnerability is cataloged as CVE-2025-9871. The attack must be initiated from a local position. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Razer Synapse 3. It has been classified as critical. Affected is some unknown functionality of the component Chrome Connect. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Razer Synapse 3 Chroma Connect Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Razer Synapse 3. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Razer Chroma SDK installer. By creating a symbolic link, an attacker can abuse the installer to delete arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-26373.

The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2025-9871. The exploitability is told to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Upgrading to version 3.10.730.71519 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Link following
CWE: CWE-59
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: Synapse 3.10.730.71519

Timelineinfo

09/30/2025 Advisory disclosed
09/30/2025 +0 days VulDB entry created
10/30/2025 +30 days VulDB entry last update

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2025-9871 (🔒)
GCVE (CVE): GCVE-0-2025-9871
GCVE (VulDB): GCVE-100-326454

Entryinfo

Created: 09/30/2025 22:20
Updated: 10/30/2025 01:58
Changes: 09/30/2025 22:20 (52), 10/30/2025 01:58 (11)
Complete: 🔍
Cache ID: 216::103

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