CVE-2026-38426

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

Additional References

• https://github.com/sermikr0/CVE-2026-38426

References

• https://github.com/arendst/Tasmota/blob/c207cc2/tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino
• https://github.com/sermikr0/CVE-2026-38426

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