CVE-2026-38426
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,...
- Published
- May 27, 2026
- Updated
- May 27, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 27, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LLow · next 30 days
- Percentile
- 47.8%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
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.
Sources
2CVE-2026-38426 — strcpy() Stack Buffer Overflow in Tasmota fetch_jpg() boundary[40] (Tasmota <= 15.3.0.3)
- CVE-2026-38422Exploit
CVE-2026-38422 — Remote Code Execution via Combined Buffer Overflows in Tasmota fetch_jpg() (Tasmota <= 15.3.0.3)
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