Unquoted Service Path Vulnerability in TFTP Broadband by TFTP
CVE-2020-37250

8.5HIGH

Key Information:

Vendor

Weird-solutions

Status
Tftp Broadband
Vendor
CVE Published:
19 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37250?

The TFTP Broadband 4.3.0.1465 version suffers from an unquoted service path vulnerability within the tftpt.exe service binary. This flaw enables local attackers to exploit the service by placing a malicious executable in the Program Files directory path, allowing it to be executed with LocalSystem privileges during service startup or system reboot. This vulnerability presents a significant risk as it can lead to arbitrary code execution with high-level system access.

Affected Version(s)

TFTP Broadband 4.3.0.1465

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-2020-37250 - Proof of Concept

References

https://www.exploit-db.com/exploits/49852
exploit
https://www.weird-solutions.com
product
https://www.vulncheck.com/advisories/tftp-broadband-unquo...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Erick Galindo
.