How severe is CVE-2026-38422?

CVE-2026-38422 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-38422 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-38422?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-38422 have an EU (EUVD) identifier?

Yes. CVE-2026-38422 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32691.

When was CVE-2026-38422 published?

CVE-2026-38422 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-38422

CVE-2026-38422 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32691
Weakness: CWE-121
Published: 2026-05-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-38422?: 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.
How severe is CVE-2026-38422?: CVE-2026-38422 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-38422 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-38422?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-38422 have an EU (EUVD) identifier?: Yes. CVE-2026-38422 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32691.
When was CVE-2026-38422 published?: CVE-2026-38422 was published on 2026-05-27 and last updated on 2026-06-17.

References

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