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Vulnerability record · CVE-2021-26346 · published 11 January 2023

CVE-2021-26346: Amd ryzen 3 3100 firmware integer overflow vulnerability

AAmd · Ryzen 3 3100 Firmware

Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service.

5.5 CVSS 3.1 Medium EPSS 0.21% · top 89.6% CWE-190 · Integer overflow
5.5CVSS 3.1 base score
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
104Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential denial of service.

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

Affected products

104 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1031 Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1031 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-26346), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.