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Vulnerability record · CVE-2025-24857 · published 10 December 2025

CVE-2025-24857: Denx u-boot improper access control vulnerability

Denx · U Boot

Improper access control for volatile memory containing boot code in Universal Boot Loader (U-Boot) before 2017.11 and Qualcomm chips IPQ4019, IPQ5018, IPQ5322, IPQ6018, IPQ8064, IPQ8074, and IPQ9574 could allow an attacker to execute arbitrary code.

7.6 CVSS 3.1 High EPSS 0.27% · top 82.9% CWE-284 · Improper access control
7.6CVSS 3.1 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

Improper access control for volatile memory containing boot code in Universal Boot Loader (U-Boot) before 2017.11 and Qualcomm chips IPQ4019, IPQ5018, IPQ5322, IPQ6018, IPQ8064, IPQ8074, and IPQ9574 could allow an attacker to execute arbitrary code.

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

Affected products

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

References

LinkTags
https://www.cisa.gov/news-events/ics-advisories/icsa-25-343-01 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

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

9.8CVE-2022-34835Denx u-boot out-of-bounds write vulnerabilityIn Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corrupti…EPSS 2.2%9.8CVE-2022-30767Denx u-boot classic buffer overflow vulnerabilitynfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to …EPSS 2.7%9.8CVE-2020-8432Denx u-boot double free vulnerabilityIn Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a write-wha…EPSS 3.1%9.8CVE-2019-14204Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is a stack-based buffer overflow in this nfs_handler reply helper function: nfs_umountal…EPSS 2.7%9.8CVE-2019-14192Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy when parsing a UDP packet due to a net_process_received_packet in…EPSS 2.8%9.8CVE-2019-14193Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with an unvalidated length at nfs_readlink_reply, in the "if" blo…EPSS 2.6%9.8CVE-2019-14194Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with a failed length check at nfs_read_reply when calling store_b…EPSS 2.4%9.8CVE-2019-14195Denx u-boot out-of-bounds write vulnerabilityAn issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy with unvalidated length at nfs_readlink_reply in the "else" block…EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2025-24857), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.