Buffer Overflow Affecting arendst/tasmota package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.55% (42nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-ARENDSTTASMOTA-17111536
  • published31 May 2026
  • disclosed27 May 2026
  • creditsermikr0

Introduced: 27 May 2026

NewCVE-2026-38426  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Buffer Overflow via the fetch_jpg process in xdrv_10_scripter.ino when handling the jpg_task.boundary buffer with the strcpy function. An attacker can achieve arbitrary code execution by sending specially crafted input that causes a buffer overflow.

CVSS Base Scores

version 4.0
version 3.1