CVE-2026-38422

CVSS 7.3 HIGHEPSS 0.8%CWE-121

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 7.3EPSS 0.8%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

25 May 2026Public PoC

27 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

n/a · n/a

public PoCs found — 1

githubgithub.com/sermikr0/CVE-2026-38422★ 0

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://github.com/arendst/Tasmota https://github.com/arendst/Tasmota/blob/development/tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino https://github.com/sermikr0/CVE-2026-38422