CVE-2026-38422: n/a
A buffer overflow vulnerability exists in arendst Tasmota version 15.3.0.3 and earlier, specifically in the fetch_jpg() function within the tasmota_xdrv_driver/xdrv_10_scripter.ino component. This flaw allows a remote attacker to execute arbitrary code on affected devices without requiring user interaction or privileges. The vulnerability has a CVSS 3.1 base score of 7.3, indicating high severity. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-38422 is a high-severity buffer overflow vulnerability in arendst Tasmota firmware version 15.3.0.3 and earlier. The issue occurs in the fetch_jpg() function of the tasmota_xdrv_driver/xdrv_10_scripter.ino source file, enabling remote attackers to execute arbitrary code without authentication or user interaction. The vulnerability is classified under CWE-121 (Stack-based Buffer Overflow). No patch or official remediation information is currently available, and no exploits have been reported in the wild.
Potential Impact
Successful exploitation could allow remote attackers to execute arbitrary code on affected Tasmota devices, potentially leading to compromise of device integrity, confidentiality, and availability. The CVSS vector indicates the attack requires no privileges or user interaction and can be performed remotely over the network. However, no known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. Applying any available firmware updates promptly once released is recommended. No other specific mitigations are provided at this time.
CVE-2026-38422: n/a
Description
A buffer overflow vulnerability exists in arendst Tasmota version 15.3.0.3 and earlier, specifically in the fetch_jpg() function within the tasmota_xdrv_driver/xdrv_10_scripter.ino component. This flaw allows a remote attacker to execute arbitrary code on affected devices without requiring user interaction or privileges. The vulnerability has a CVSS 3.1 base score of 7.3, indicating high severity. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild at this time.
CVSS v3.1
Score 7.3high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-38422 is a high-severity buffer overflow vulnerability in arendst Tasmota firmware version 15.3.0.3 and earlier. The issue occurs in the fetch_jpg() function of the tasmota_xdrv_driver/xdrv_10_scripter.ino source file, enabling remote attackers to execute arbitrary code without authentication or user interaction. The vulnerability is classified under CWE-121 (Stack-based Buffer Overflow). No patch or official remediation information is currently available, and no exploits have been reported in the wild.
Potential Impact
Successful exploitation could allow remote attackers to execute arbitrary code on affected Tasmota devices, potentially leading to compromise of device integrity, confidentiality, and availability. The CVSS vector indicates the attack requires no privileges or user interaction and can be performed remotely over the network. However, no known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. Applying any available firmware updates promptly once released is recommended. No other specific mitigations are provided at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a16f9d0e29bf47b50c0e788
Added to database: 05/27/2026, 14:04:00 UTC
Last enriched: 06/03/2026, 20:51:47 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 73
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