Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the xdrv_10_scripter.ino, fetch_jpg(), jpg_task.boundary[40], strcpy() function.

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Fixes

Solution

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Workaround

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History

Sat, 30 May 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Arendst
Arendst tasmota
Vendors & Products Arendst
Arendst tasmota

Wed, 27 May 2026 23:45:00 +0000

Type Values Removed Values Added
Title Remote Code Execution via Buffer Overflow in Tasmota JPEG Processing

Wed, 27 May 2026 22:45:00 +0000

Type Values Removed Values Added
Title Buffer Overflow in Tasmota Scripter Allows Remote Code Execution
Weaknesses CWE-121

Wed, 27 May 2026 19:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-120
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 27 May 2026 17:15:00 +0000

Type Values Removed Values Added
Title Buffer Overflow in Tasmota Scripter Allows Remote Code Execution
Weaknesses CWE-121

Wed, 27 May 2026 14:15:00 +0000

Type Values Removed Values Added
Description Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the xdrv_10_scripter.ino, fetch_jpg(), jpg_task.boundary[40], strcpy() function.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-27T18:19:03.125Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-38426

cve-icon Vulnrichment

Updated: 2026-05-27T18:18:59.583Z

cve-icon NVD

Status : Deferred

Published: 2026-05-27T14:16:45.880

Modified: 2026-05-27T20:03:09.937

Link: CVE-2026-38426

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-30T21:22:34Z

Weaknesses