Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 96.9%; technical severity is CVSS 8.8.
The D-Link DIR-645 Wired/Wireless Router Rev. Ax with firmware 1.04b12 and earlier allows remote attackers to execute arbitrary commands via a GetDeviceSettings action to the HNAP interface.
Who should care
- Teams operating DIR-645 Router, Dir-645 Firmware
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether DIR-645 Router, Dir-645 Firmware is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- The impacted product is end-of-life and should be disconnected if still in use.
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Vendor remediation
Patch and remediation links
Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.
Technical details
- CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-77
- Affected versions
- D-Link DIR-645 Router; Dlink Dir-645 Firmware (End Excluding: 1.05b01)
- Published
- 23 February 2015
- Attack vector
- Adjacent
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 96.9%
- Signal calculated at 84