How severe is CVE-2025-20687?

CVE-2025-20687 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-20687 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-20687?

CVE-2025-20687 affects Mediatek Nbiot Sdk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-20687?

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

Does CVE-2025-20687 have an EU (EUVD) identifier?

Yes. CVE-2025-20687 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20365.

When was CVE-2025-20687 published?

CVE-2025-20687 was published on 2025-07-08 and last updated on 2026-06-17.

CVE-2025-20687

CVE-2025-20687 is a medium-severity vulnerability in Mediatek Nbiot Sdk with a CVSS 3.x base score of 5.5. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20365
Weakness: CWE-125
Affected product: Mediatek Nbiot Sdk
Published: 2025-07-08
Last modified: 2026-06-17

Description

In Bluetooth driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00418045; Issue ID: MSV-3481.

Frequently asked questions

What is CVE-2025-20687?: In Bluetooth driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00418045; Issue ID: MSV-3481.
How severe is CVE-2025-20687?: CVE-2025-20687 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-20687 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-20687?: CVE-2025-20687 affects Mediatek Nbiot Sdk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-20687?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-20687 have an EU (EUVD) identifier?: Yes. CVE-2025-20687 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20365.
When was CVE-2025-20687 published?: CVE-2025-20687 was published on 2025-07-08 and last updated on 2026-06-17.

References

https://corp.mediatek.com/product-security-bulletin/July-2025

Affected products (1)

cpe:2.3:a:mediatek:nbiot_sdk:*:*:*:*:*:*:*:*

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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