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.

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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
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