CVE-2020-37075 LanSend 3.2 - Buffer Overflow (SEH)
Remote attackers can execute arbitrary code by tricking users into importing a malicious file in LanSend, triggering a buffer overflow.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-37075?
CVE-2020-37075 is a high-severity memory corruption vulnerability in LizardSystems LanSend, published on 3 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
LanSend 3.2 contains a buffer overflow vulnerability in the Add Computers Wizard file import functionality that allows remote attackers to execute arbitrary code. Attackers can craft a malicious payload file to trigger a structured exception handler (SEH) overwrite and execute shellcode when importing computers from a file.
Weakness: CWE-120
Which versions are affected by CVE-2020-37075?
How do I fix CVE-2020-37075?
No fix has been published for CVE-2020-37075 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-37075 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37075 exists.
Sources
Also known as GHSA-xfh7-c2jg-4484.