Local denial of service in SonicWall Connect Tunnel Windows Client



| Updated: 2025-04-25
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-32817
CWE-ID CWE-59
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Connect Tunnel
Client/Desktop applications / Software for system administration

Vendor SonicWall

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Link following

EUVDB-ID: #VU107571

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-32817

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insecure link following issue. A local user can create a symbolic link to a critical file on the system and corrupt it with elevated privileges, resulting in a denial of service condition.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Connect Tunnel: before 12.4.3.298

CPE2.3 External links

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0007
https://www.zerodayinitiative.com/advisories/ZDI-25-253/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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