How severe is CVE-2025-24857?

CVE-2025-24857 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-24857 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-24857?

CVE-2025-24857 affects Denx U-boot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-24857?

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-2025-24857 have an EU (EUVD) identifier?

Yes. CVE-2025-24857 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202621.

When was CVE-2025-24857 published?

CVE-2025-24857 was published on 2025-12-10 and last updated on 2026-06-17.

CVE-2025-24857

CVE-2025-24857 is a high-severity vulnerability in Denx U-boot with a CVSS 3.x base score of 7.6. 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.6)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202621
Weakness: CWE-284
Affected product: Denx U-boot
Published: 2025-12-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-24857?: 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.
How severe is CVE-2025-24857?: CVE-2025-24857 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-24857 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-24857?: CVE-2025-24857 affects Denx U-boot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-24857?: 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-2025-24857 have an EU (EUVD) identifier?: Yes. CVE-2025-24857 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202621.
When was CVE-2025-24857 published?: CVE-2025-24857 was published on 2025-12-10 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-25-343-01

Affected products (1)

cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*

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