CVE-2025-66848Network attack vector

Unauthenticated remote command execution

Published Dec 30, 2025 · Updated Dec 30, 2025

Code injection in JD Cloud AX1800, AX3000, AX6600, BE6500, ER1, and ER2 router firmware allows remote attackers to execute commands. The public CVE record does not identify the affected endpoint or explain how attacker-controlled data reaches a command or code interpreter. No authentication or user interaction is required; affected releases are 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, and ER1 and ER2 4.5.1.r4518 and earlier.

CVSS severity9.8
Critical
EPSS probability1.04%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in JD Cloud AX1800, AX3000, AX6600, BE6500, ER1, and ER2 router firmware allows remote attackers to execute commands. The public CVE record does not identify the affected endpoint or explain how attacker-controlled data reaches a command or code interpreter. No authentication or user interaction is required; affected releases are 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, and ER1 and ER2 4.5.1.r4518 and earlier.

The record

CVE
CVE-2025-66848
Published
Dec 30, 2025
Updated
Dec 30, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-94
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 30, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 30, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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