How severe is CVE-2025-67841?

CVE-2025-67841 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-67841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-67841?

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-2025-67841 have an EU (EUVD) identifier?

Yes. CVE-2025-67841 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209487.

When was CVE-2025-67841 published?

CVE-2025-67841 was published on 2026-04-15 and last updated on 2026-06-17.

CVE-2025-67841

CVE-2025-67841 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-407.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209487
Weakness: CWE-407
Published: 2026-04-15
Last modified: 2026-06-17

Description

Nordic Semiconductor IronSide SE for nRF54H20 before 23.0.2+17 has an Algorithmic complexity issue.

Frequently asked questions

What is CVE-2025-67841?: Nordic Semiconductor IronSide SE for nRF54H20 before 23.0.2+17 has an Algorithmic complexity issue.
How severe is CVE-2025-67841?: CVE-2025-67841 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-67841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-67841?: 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-2025-67841 have an EU (EUVD) identifier?: Yes. CVE-2025-67841 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209487.
When was CVE-2025-67841 published?: CVE-2025-67841 was published on 2026-04-15 and last updated on 2026-06-17.

References

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