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CVE-2025-66848

34
FAUCET Score

CVE-2025-66848 is a critical unauthorized remote command execution vulnerability affecting multiple JD Cloud NAS router models, including AX1800, AX3000, AX6600, BE6500, ER1, and ER2, across various firmware versions. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without authentication, allowing for complete compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, the high severity and ease of exploitation warrant immediate attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.3.1.r4308CPE matchmatch criteria
cpe:2.3:o:jdcloud:ax1800_firmware:*:*:*:*:*:*:*:*
<= 4.3.1.r4318CPE matchmatch criteria
cpe:2.3:o:jdcloud:ax3000_firmware:*:*:*:*:*:*:*:*
<= 4.5.1.r4533CPE matchmatch criteria
cpe:2.3:o:jdcloud:ax6600_firmware:*:*:*:*:*:*:*:*
<= 4.4.1.r4308CPE matchmatch criteria
cpe:2.3:o:jdcloud:be6500_firmware:*:*:*:*:*:*:*:*
<= 4.5.1.r4518CPE matchmatch criteria
cpe:2.3:o:jdcloud:er1_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 41st percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

notion.so / JD-Cloud-Unauth-RCE-2d22b76e8e0c802c975bf186b208d0c2
Permissions Required
jdcloud.com / cn
Product