CVE-2025-32818 Null dereference in SonicOS
A remote unauthenticated attacker can crash the SonicOS SSLVPN interface, causing a Denial-of-Service condition on the firewall.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-32818?
CVE-2025-32818 is a high-severity vulnerability in SonicWall SonicOS, published on 23 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Null Pointer Dereference vulnerability in the SonicOS SSLVPN Virtual office interface allows a remote, unauthenticated attacker to crash the firewall, potentially leading to a Denial-of-Service (DoS) condition.
Weakness: CWE-476
Which versions are affected by CVE-2025-32818?
How do I fix CVE-2025-32818?
No fix has been published for CVE-2025-32818 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-32818 being exploited?
There is no known exploitation of CVE-2025-32818 in the wild and no public exploit code.
Sources
Also known as GHSA-chh7-mcmf-f654.