Is esptool safe to use?

esptool has no known vulnerabilities on the latest version (5.2.0). DepScope rates its health at 64/100 (moderate risk).

What is the latest version of esptool?

The latest version of esptool is 5.2.0, released 2026-03-30.

No known vulnerabilities on the latest version of esptool.

No, esptool is actively maintained. Latest release: 5.2.0 (2026-03-30).

DepScope has no curated alternatives for esptool at this time.

esptool is licensed under GPL-2.0-or-later.

homebrewv5.2.0

ESP8266 and ESP32 serial bootloader utility

License GPL-2.0-or-later1 versions1 maintainers4 deps358 weekly dl

/ 100

Health

safe to use

[email protected] is safe to use (health: 64/100)

Health breakdown0 – 100

25/25

maintenance

3/20

popularity

25/25

security

9/15

maturity

2/15

community

Vulnerabilities

none known

Dependencies (4)

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/homebrew/esptool

Last updated · 2026-03-30T12:42:06Z