CVE-2026-38426CWE-120

CVE-2026-38426

High · published May 27, 2026

CVSS v3.1
7.3
EPSS
1%
Percentile
45.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00550 · 45.2th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-05-27T18:16Z
References (3)
https://github.com/arendst/Tasmota/blob/c207cc2/tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino · [email protected]https://github.com/sermikr0/CVE-2026-38426 · [email protected]https://github.com/sermikr0/CVE-2026-38426 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 27 MAY 00:00Z
    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…
    cvelistv5