Review reviewCritical

CVE-2026-10045

Shenzhen Kangda Xin Intelligent Network Technology Co., Ltd DR300

Shenzhen Kangda Xin Intelligent Network Technology Company's router, model DR300, version 2.1.2.121, contains hardcoded login credentials and has telnet enabled by default on WAN and LAN interfaces. These vulnerabilities allow attackers to read and write to memory, modify firmware stored in flash, inspect active connections, and view currently connected devices.

CVSS
9.8
EPSS
0.21%
11.1% percentile
CISA KEV
Not listed
Published
2026.06.10
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.21%
Technical severityCVSS 9.8

Vulnerability overview

Shenzhen Kangda Xin Intelligent Network Technology Company's router, model DR300, version 2.1.2.121, contains hardcoded login credentials and has telnet enabled by default on WAN and LAN interfaces. These vulnerabilities allow attackers to read and write to memory, modify firmware stored in flash, inspect active connections, and view currently connected devices.

Affected product and versions

Product
Shenzhen Kangda Xin Intelligent Network Technology Co., Ltd DR300
Affected versions
>= 2.1.2.121
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Shenzhen Kangda Xin Intelligent Network Technology Co., Ltd DR300 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Not available