First day on Intigriti: our agent harness found and proved a remote code execution bug in Odoo's program.

CVE-2025-4277

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Tcg2Smm has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Insyde Software	InsydeH2O	>= Kernel 5.2, < 05.2A.21; >= Kernel 5.3, < 05.39.21; >= Kernel 5.4, < 05.47.21; >= Kernel 5.5, < 05.55.21; >= Kernel 5.6, < 05.62.21; >= Kernel 5.7, < 05.71.21

References

https://www.insyde.com/security-pledge/sa-2025005/

Timeline

Published: Aug 13, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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CVE-2025-4277: High severity, CVSS 7.5 | Vulnix