Security readout for executives and security teams
Plain-English summary
This CVE describes a denial-of-service flaw in specific TP-Link TL-WR886N router firmware versions. A logged-in attacker can send oversized JSON data in an IP/MAC binding name field and crash router services such as web management, DNS, UPnP, or inetd. Public sources do not provide a CVSS score or confirmed vendor fix.
Executive priority
Treat this as a moderate availability risk for affected branch, small-office, or home-office routers. It is not documented as remotely exploitable without authentication, but service crashes can disrupt DNS, management, and local network reliability.
Technical view
CVE-2018-17014 affects TP-Link TL-WR886N 6.0 firmware 2.3.4 and TL-WR886N 7.0 firmware 1.1.0. The reported issue is authenticated service crash behavior triggered by long JSON input for the ip_mac_bind name value. The available record does not name a CWE, patch, or detailed root cause.
Likely exposure
Exposure appears limited to the named TP-Link TL-WR886N hardware and firmware combinations. Risk is highest where router administration is reachable by untrusted users, shared credentials exist, or compromised internal hosts can authenticate to the management interface.
Exploitation context
The CVE record states the attacker must be authenticated. CISA KEV status is false in the provided bundle, and no source in the bundle confirms active exploitation. Public reference material indicates crash impact, but evidence is sparse.
Researcher notes
The public record is thin: no CVSS vector, CWE, vendor advisory, or fix details are included in the supplied sources. Analysis should stay bounded to authenticated denial of service on the stated TL-WR886N firmware versions unless additional primary evidence is obtained.
Mitigation direction
- Identify TL-WR886N devices and record hardware revision and firmware version.
- Restrict router administration to trusted management networks only.
- Change shared or default administrator credentials immediately.
- Check TP-Link guidance for firmware updates or replacement recommendations.
- Disable unnecessary management exposure from guest or untrusted networks.
Validation and detection
- Confirm whether TL-WR886N 6.0 firmware 2.3.4 is present.
- Confirm whether TL-WR886N 7.0 firmware 1.1.0 is present.
- Review router logs for unexplained HTTP, DNS, UPnP, or inetd restarts.
- Verify administrative interfaces are not reachable from untrusted networks.
- Document compensating controls if no vendor fix is available.
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-2018-17014 mapping review
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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://github.com/PAGalaxyLab/VulInfo/blob/master/TP-Link/WR886N/inetd_task_dos_10/README.mdCVE 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.