Remote denial of service in SonicOS SSLVPN



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-32818
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 SonicOS
Operating systems & Components / Operating system

Vendor SonicWall

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU107886

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-32818

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the SonicOS SSLVPN Virtual office interface. A remote non-authenticated attacker can send a specially crafted request to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SonicOS: 7.1.1-7040 - 8.0.0-8037

CPE2.3 External links

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0009


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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