CVE-2024-40765 Integer overflow in SonicOS

Critical 9.8 Published Updated

Remote attackers can cause denial of service or execute arbitrary code on SonicWall firewalls via crafted IKEv2 payloads.

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-2024-40765?

CVE-2024-40765 is a critical vulnerability in SonicWall SonicOS, published on 9 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An Integer-based buffer overflow vulnerability in the SonicOS via IPSec allows a remote attacker in specific conditions to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a specially crafted IKEv2 payload.

Weakness: CWE-190

Which versions are affected by CVE-2024-40765?

How do I fix CVE-2024-40765?

No fix has been published for CVE-2024-40765 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-40765 being exploited?

There is no known exploitation of CVE-2024-40765 in the wild and no public exploit code.

Sources

Also known as GHSA-f929-9mwj-xwvm.

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