How severe is CVE-2025-44526?

CVE-2025-44526 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-44526 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.

What products are affected by CVE-2025-44526?

CVE-2025-44526 affects Realtek Rtl8762e Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-44526?

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

Does CVE-2025-44526 have an EU (EUVD) identifier?

Yes. CVE-2025-44526 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20831.

When was CVE-2025-44526 published?

CVE-2025-44526 was published on 2025-07-09 and last updated on 2026-07-05.

CVE-2025-44526

CVE-2025-44526 is a medium-severity vulnerability in Realtek Rtl8762e Software Development Kit 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20831
Weakness: CWE-20
Affected product: Realtek Rtl8762e Software Development Kit
Published: 2025-07-09
Last modified: 2026-07-05

Description

Realtek RTL8762EKF-EVB RTL8762E SDK V1.4.0 was discovered to utilize insufficient permission checks on critical fields within Bluetooth Low Energy (BLE) data packets. This issue allows attackers to cause a Denial of Service (DoS) via a crafted LL_Length_Req packet.

Frequently asked questions

What is CVE-2025-44526?: Realtek RTL8762EKF-EVB RTL8762E SDK V1.4.0 was discovered to utilize insufficient permission checks on critical fields within Bluetooth Low Energy (BLE) data packets. This issue allows attackers to cause a Denial of Service (DoS) via a crafted LL_Length_Req packet.
How severe is CVE-2025-44526?: CVE-2025-44526 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-44526 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.
What products are affected by CVE-2025-44526?: CVE-2025-44526 affects Realtek Rtl8762e Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-44526?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-44526 have an EU (EUVD) identifier?: Yes. CVE-2025-44526 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20831.
When was CVE-2025-44526 published?: CVE-2025-44526 was published on 2025-07-09 and last updated on 2026-07-05.

References

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

EU advisories (EUVD)

Affected products (1)

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

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