Buffer Overflow Vulnerability in LanSend 3.2 by LanSend
CVE-2020-37075

8.4HIGH

Key Information:

Vendor

Lizardsystems

Status
Lansend
Vendor
CVE Published:
3 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37075?

The LanSend 3.2 application contains a buffer overflow vulnerability in its Add Computers Wizard file import functionality. This vulnerability allows remote attackers to craft malicious payload files that, when imported, can trigger a structured exception handler (SEH) overwrite, enabling the execution of arbitrary code within the application's context. This poses significant security risks and exposes systems to potential exploitation.

Affected Version(s)

LanSend 3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37075 - Proof of Concept

References

https://www.exploit-db.com/exploits/48461
exploit
https://lizardsystems.com/lansend/
product
https://www.vulncheck.com/advisories/lansend-buffer-overf...
third-party-advisory

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

gurbanli
.