SonicWall Connect Tunnel on Windows link following

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in SonicWall Connect Tunnel on Windows. It has been rated as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes link following. This vulnerability is registered as CVE-2025-32817. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in SonicWall Connect Tunnel on Windows (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A Improper Link Resolution vulnerability (CWE-59) in the SonicWall Connect Tunnel Windows (32 and 64 bit) client, this results in unauthorized file overwrite, potentially leading to denial of service or file corruption.

The advisory is shared at psirt.global.sonicwall.com. This vulnerability is known as CVE-2025-32817 since 04/11/2025. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 235657 (SonicWall Connect Tunnel Windows Client Improper Link Resolution (SNWLID-2025-0007)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (235657). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

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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Nessus ID: 235657
Nessus Name: SonicWall Connect Tunnel Windows Client Improper Link Resolution (SNWLID-2025-0007)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/11/2025 🔍
04/16/2025 +5 days 🔍
04/16/2025 +0 days 🔍
05/09/2025 +23 days 🔍

Sourcesinfo

Vendor: sonicwall.com

Advisory: SNWLID-2025-0007
Status: Confirmed

CVE: CVE-2025-32817 (🔍)
GCVE (CVE): GCVE-0-2025-32817
GCVE (VulDB): GCVE-100-305305

Entryinfo

Created: 04/16/2025 22:06
Updated: 05/09/2025 22:12
Changes: 04/16/2025 22:06 (54), 05/09/2025 22:12 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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