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CVE-2025-66848

Jdcloud Ax1800 Firmware code injection

9.8 CRITICALEPSS 1.06%
  1. Published30 Dec 2025

Description

JD Cloud NAS routers AX1800 (4.3.1.r4308 and earlier), AX3000 (4.3.1.r4318 and earlier), AX6600 (4.5.1.r4533 and earlier), BE6500 (4.4.1.r4308 and earlier), ER1 (4.5.1.r4518 and earlier), and ER2 (4.5.1.r4518 and earlier) contain an unauthorized remote command execution vulnerability.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Jdcloud Ax1800 Firmware≤ 4.3.1.r4308
Jdcloud Ax3000 Firmware≤ 4.3.1.r4318
Jdcloud Ax6600 Firmware≤ 4.5.1.r4533
Jdcloud Be6500 Firmware≤ 4.4.1.r4308
Jdcloud Er1 Firmware≤ 4.5.1.r4518
Jdcloud Er2 Firmware≤ 4.5.1.r4518

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-66848 being actively exploited?

CVE-2025-66848 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.06%.

How severe is CVE-2025-66848?

CVE-2025-66848 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.06% probability of exploitation.

Which products are affected by CVE-2025-66848?

Affected products include Jdcloud Ax1800 Firmware, Jdcloud Ax3000 Firmware, Jdcloud Ax6600 Firmware, Jdcloud Be6500 Firmware, Jdcloud Er1 Firmware, and 1 more.

How do I fix CVE-2025-66848?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-66848 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.