CVE-2020-37063CWE-428

TFTP Turbo 4.6.1273 - 'TFTP Turbo 4' Unquoted Service Path

High · published February 1, 2026

CVSS v4.0
8.5
EPSS
0%
Percentile
2.9
In the wild
Unconfirmed
What it is

⚡ Local attackers only need to find a misconfigured service path! This unquoted service path vulnerability in TFTP Turbo 4.6.1273 could let them run arbitrary code with elevated privileges. 🔥 Think of it like a restaurant that fails to specify the correct chef for each dish — anyone can walk into the kitchen and start cooking whatever they want without oversight! What could go wrong? An attacker could execute malicious code as the LocalSystem user, potentially gaining full control of the machine. This is absolutely devastating, allowing unauthorized access to sensitive data and configuration changes.

Put simply

Think of it like a restaurant that fails to specify the correct chef for each dish — anyone can walk into the kitchen and start cooking whatever they want without oversight! This vulnerability arises from an unquoted service path, allowing attackers to exploit the service configuration by injecting malicious executables that will execute with elevated privileges.

What to do

What could go wrong? An attacker could execute malicious code as the LocalSystem user, potentially gaining full control of the machine. This is absolutely devastating, allowing unauthorized access to sensitive data and configuration changes. To patch this, update TFTP Turbo to the latest version immediately, which addresses this vulnerability. Additionally, ensure that all service paths are properly quoted in your configuration to prevent similar exploits in the future. You've got this! Follow these steps, and you'll reinforce your defenses in no time. 🛡️

The record
Technical detail
CVSS v4.0
8.5 · HIGH
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00138 · 2.9th percentile
Weakness
CWE-428 · Unquoted Search Path or Element
Published
2026-02-01T14:38Z
EPSS history
Timeline
  • 01 FEB 14:38Z
    TFTP Turbo 4.6.1273 - 'TFTP Turbo 4' Unquoted Service Path
    cvelistv5