Buffer Overflow vulnerability in arendst Tasmota v.15.3.0.3 and before allows a remote attacker to execute arbitrary code via the tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino, fetch_jpg() function.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00046.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/arendst/Tasmota cve-icon cve-icon
https://github.com/arendst/Tasmota/blob/development/tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino cve-icon cve-icon
https://github.com/sermikr0/CVE-2026-38422 cve-icon cve-icon cve-icon
History

Thu, 28 May 2026 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-121
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 16:15:00 +0000

Type Values Removed Values Added
Title Remote Code Execution via Buffer Overflow in Tasmota Scripter fetch_jpg()
Weaknesses CWE-120

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 tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino, fetch_jpg() function.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-28T13:47:04.356Z

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

Link: CVE-2026-38422

cve-icon Vulnrichment

Updated: 2026-05-28T13:47:00.149Z

cve-icon NVD

Status : Deferred

Published: 2026-05-27T14:16:45.753

Modified: 2026-05-28T14:16:19.563

Link: CVE-2026-38422

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-27T16:00:08Z

Weaknesses