CVE-2025-24857
highpriority · track · 0EPSS 0.003 · 19 %ileEUUSEPSS · scored 2026-10-26
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedU-Bootcisa_csaf_ot
Konsulko, the third-party maintainer of U-boot, recommends users upgrade to version v2025.4 or later and ensure the physical security of the device.
https://ftp.denx.de/pub/u-boot/ - FixedU-Boot U-boot: <2017.11 installed on Johnson Controls Airwall AW-75 vers:all/*cisa_csaf_ot
Konsulko, the third-party maintainer of U-boot, recommends users upgrade to version v2025.4 or later and ensure the physical security of the device.
https://ftp.denx.de/pub/u-boot/ - MitigationU-Boot U-boot: <2017.11 installed on Johnson Controls Airwall AW-75 vers:all/*cisa_csaf_ot
Johnson Controls recommend users to consider the following defensive measure: (1) Deploy Airwall in a physically secure location so an attacker can't plug in USB devices. (2) Restrict physical access to USB A ports (not the micro-USB console port which is not affected) by sealing them with epoxy or a similar material. (3) For Airwall 75 gateways running U-Boot version 2017.03 and before (version number is displayed on the console port as the Airwall gateway boots), install hotfix hf-3303 to update U-Boot. Hotfix can be downloaded from https://webhelp.tempered.io/content/topics/downloads_hotfixes.html#downloads_hotfixes__section_vw4_25x_13c
https://webhelp.tempered.io/content/topics/downloads_hotfixes.html#downloads_hotfixes__section_vw4_25x_13c - MitigationU-Boot U-boot: <2017.11 installed on Qualcomm Chipset IPQ4019cisa_csaf_ot
Qualcomm recommends users with the affected chips to contact support referencing CVE-2025-24857, QPSIIR-1969 or CR4082905.
https://www.qualcomm.com/support/contact - MitigationU-Boot U-boot: <2017.11 installed on Qualcomm Chipset IPQ5018cisa_csaf_ot
Qualcomm recommends users with the affected chips to contact support referencing CVE-2025-24857, QPSIIR-1969 or CR4082905.
https://www.qualcomm.com/support/contact - MitigationU-Boot U-boot: <2017.11 installed on Qualcomm Chipset IPQ5322cisa_csaf_ot
Qualcomm recommends users with the affected chips to contact support referencing CVE-2025-24857, QPSIIR-1969 or CR4082905.
https://www.qualcomm.com/support/contact - MitigationU-Boot U-boot: <2017.11 installed on Qualcomm Chipset IPQ6018cisa_csaf_ot
Qualcomm recommends users with the affected chips to contact support referencing CVE-2025-24857, QPSIIR-1969 or CR4082905.
https://www.qualcomm.com/support/contact - MitigationU-Boot U-boot: <2017.11 installed on Qualcomm Chipset IPQ8064cisa_csaf_ot
Qualcomm recommends users with the affected chips to contact support referencing CVE-2025-24857, QPSIIR-1969 or CR4082905.
https://www.qualcomm.com/support/contact - MitigationU-Boot U-boot: <2017.11 installed on Qualcomm Chipset IPQ8074cisa_csaf_ot
Qualcomm recommends users with the affected chips to contact support referencing CVE-2025-24857, QPSIIR-1969 or CR4082905.
https://www.qualcomm.com/support/contact - MitigationU-Boot U-boot: <2017.11 installed on Qualcomm Chipset IPQ9574cisa_csaf_ot
Qualcomm recommends users with the affected chips to contact support referencing CVE-2025-24857, QPSIIR-1969 or CR4082905.
https://www.qualcomm.com/support/contact
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (12)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-25-343-01Universal Boot Loader (U-Boot) (Update A)2025-12-09icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could result in arbitrary code execution.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-24857cnnvd
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-343-01cnnvd
- https://www.qualcomm.com/Patchcnnvd
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-343-01enisa_euvd
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-343-01Third Party AdvisoryUS Government Resourcenvd
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