How severe is CVE-2025-44531?

CVE-2025-44531 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-2025-44531 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-44531?

CVE-2025-44531 affects Realtek Rtl8762e Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-44531?

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-2025-44531 have an EU (EUVD) identifier?

Yes. CVE-2025-44531 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19037.

When was CVE-2025-44531 published?

CVE-2025-44531 was published on 2025-06-24 and last updated on 2026-07-05.

CVE-2025-44531

CVE-2025-44531 is a high-severity vulnerability in Realtek Rtl8762e Software Development Kit 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19037
Weakness: CWE-400
Affected product: Realtek Rtl8762e Software Development Kit
Published: 2025-06-24
Last modified: 2026-07-05

Description

An issue in Realtek RTL8762EKF-EVB RTL8762E SDK v1.4.0 allows attackers to cause a Denial of Service (DoS) via sending a crafted before a pairing public key is received during a Bluetooth connection attempt.

Frequently asked questions

What is CVE-2025-44531?: An issue in Realtek RTL8762EKF-EVB RTL8762E SDK v1.4.0 allows attackers to cause a Denial of Service (DoS) via sending a crafted before a pairing public key is received during a Bluetooth connection attempt.
How severe is CVE-2025-44531?: CVE-2025-44531 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-2025-44531 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-44531?: CVE-2025-44531 affects Realtek Rtl8762e Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-44531?: 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-2025-44531 have an EU (EUVD) identifier?: Yes. CVE-2025-44531 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19037.
When was CVE-2025-44531 published?: CVE-2025-44531 was published on 2025-06-24 and last updated on 2026-07-05.

References

https://github.com/yangting111/BLE_TEST/blob/main/result/PoC/Realtek/Pairing_Random_Before_Pairing_Public_Key.md

EU advisories (EUVD)

Affected products (1)

cpe:2.3:a:realtek:rtl8762e_software_development_kit:1.4.0:*:*:*:*:*:*:*

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