How severe is CVE-2025-45512?

CVE-2025-45512 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-45512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-45512?

CVE-2025-45512 affects Denx U-boot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-45512?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-45512 have an EU (EUVD) identifier?

Yes. CVE-2025-45512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23651.

When was CVE-2025-45512 published?

CVE-2025-45512 was published on 2025-08-05 and last updated on 2026-06-17.

CVE-2025-45512

CVE-2025-45512 is a medium-severity vulnerability in Denx U-boot with a CVSS 3.x base score of 6.5. 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-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23651
Weakness: CWE-77
Affected product: Denx U-boot
Published: 2025-08-05
Last modified: 2026-06-17

Description

A lack of signature verification in the bootloader of DENX Software Engineering Das U-Boot (U-Boot) v1.1.3 allows attackers to install crafted firmware files, leading to arbitrary code execution.

Frequently asked questions

What is CVE-2025-45512?: A lack of signature verification in the bootloader of DENX Software Engineering Das U-Boot (U-Boot) v1.1.3 allows attackers to install crafted firmware files, leading to arbitrary code execution.
How severe is CVE-2025-45512?: CVE-2025-45512 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-45512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-45512?: CVE-2025-45512 affects Denx U-boot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-45512?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-45512 have an EU (EUVD) identifier?: Yes. CVE-2025-45512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23651.
When was CVE-2025-45512 published?: CVE-2025-45512 was published on 2025-08-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:denx:u-boot:1.1.3:*:*:*:*:*:*:*

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