How severe is CVE-2025-1675?

CVE-2025-1675 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.

Is CVE-2025-1675 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-1675?

CVE-2025-1675 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-1675?

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-2025-1675 have an EU (EUVD) identifier?

Yes. CVE-2025-1675 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5067.

When was CVE-2025-1675 published?

CVE-2025-1675 was published on 2025-02-25 and last updated on 2026-06-17.

CVE-2025-1675

CVE-2025-1675 is a high-severity vulnerability in Zephyrproject Zephyr with a CVSS 3.x base score of 8.2. 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-125.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-5067
Weakness: CWE-125
Affected product: Zephyrproject Zephyr
Published: 2025-02-25
Last modified: 2026-06-17

Description

The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not check if the source buffer is large enough to contain the copied data.

Frequently asked questions

What is CVE-2025-1675?: The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not check if the source buffer is large enough to contain the copied data.
How severe is CVE-2025-1675?: CVE-2025-1675 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2025-1675 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1675?: CVE-2025-1675 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-1675?: 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-2025-1675 have an EU (EUVD) identifier?: Yes. CVE-2025-1675 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5067.
When was CVE-2025-1675 published?: CVE-2025-1675 was published on 2025-02-25 and last updated on 2026-06-17.

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2m84-5hfw-m8v4

Affected products (1)

cpe:2.3:o:zephyrproject:zephyr:*:-:*:*:*:*:*:*

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