Security readout for executives and security teams
Plain-English summary
This flaw affects older D-Link DIR-850L routers. A password-related file on the device is writable by any local user or process, which can weaken trust in router administration after an attacker or malware gains device access.
Executive priority
Treat this as a legacy edge-device hygiene issue. Prioritize identification and replacement or vendor-guided remediation, especially where DIR-850L routers protect business networks or remote sites.
Technical view
CVE-2017-14425 is a file-permission issue: /var/etc/hnapasswd is set to 0666 on D-Link DIR-850L Rev A through FW114WWb07_h2ab_beta1 and Rev B through FW208WWb02. The sources do not provide CVSS, CWE, patch details, or confirmed exploitation.
Likely exposure
Exposure is limited to D-Link DIR-850L Rev A and Rev B devices running the listed firmware versions or older. Internet-edge, unmanaged, or unsupported devices create the highest business risk.
Exploitation context
No source in the bundle shows CISA KEV listing or active exploitation. The public advisory discusses this among multiple DIR-850L weaknesses, but this CVE should not be treated as remotely exploitable from the provided evidence alone.
Researcher notes
The record is narrow: it only states insecure permissions on /var/etc/hnapasswd. Do not infer a standalone remote exploit path without additional evidence from the referenced advisory or vendor material.
Mitigation direction
- Inventory D-Link DIR-850L Rev A and Rev B routers.
- Check D-Link guidance for fixed firmware or replacement advice.
- Remove unsupported DIR-850L devices from business networks.
- Restrict administrative access to trusted management networks only.
- Monitor for unexpected router configuration or credential changes.
Validation and detection
- Confirm router model, hardware revision, and firmware version.
- Check whether affected firmware versions are present.
- Review device file permissions if authenticated administrative inspection is available.
- Verify remote administration is not exposed to untrusted networks.
- Document compensating controls for devices that cannot be updated.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-14425 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://pierrekim.github.io/blog/2017-09-08-dlink-850l-mydlink-cloud-0days-vulnerabilities.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.