CVE-2025-44531: An issue in Realtek RTL8762EKF-EVB RTL8762E SDK v1.4.0 allows attackers to cause a Denial of Service (DoS) via

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HIGH 7.5REMOTEDOWNGRADE

CVE-2025-44531 is a high-severity flaw (CVSS 7.5) affecting rtl8762e software development kit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-400
Published	2025-06-24
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: realtek

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-24 16:15 UTCPublished CVE record published
2026-07-05 16:19 UTCUpdated Record last modified

realtek rtl8762e software development kit DOWNGRADE

Affected: 1.4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.0

1. Check installed version

apt-cache policy rtl8762e-software-development-kit || rpm -q rtl8762e-software-development-kit || rtl8762e-software-development-kit --version

2. No fixed release: DOWNGRADE to a release before 1.4.0 (Debian / Ubuntu)

apt-cache madison rtl8762e-software-development-kit sudo apt install rtl8762e-software-development-kit=<VERSION_BEFORE_1.4.0> sudo apt-mark hold rtl8762e-software-development-kit

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list rtl8762e-software-development-kit sudo dnf downgrade rtl8762e-software-development-kit-<VERSION_BEFORE_1.4.0> sudo dnf versionlock add rtl8762e-software-development-kit

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-44531?

rtl8762e software development kit: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-44531 being exploited?

CVE-2025-44531 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-44531 affect?

CVE-2025-44531 affects rtl8762e software development kit. Severity is high (CVSS 7.5). 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 urgent is CVE-2025-44531?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Bluetooth vulnerabilities

Related CVEs

CVE-2025-44526 MEDIUM 6.5 DOWNGRADE Realtek RTL8762EKF-EVB RTL8762E SDK V1.4.0 was discovered to utilize insufficient permission checks on critica

References

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