Security readout for executives and security teams
Plain-English summary
CVE-2018-17990 is a command injection issue reported in D-Link DSL-3782 firmware 1.01. An attacker with valid admin access could make the router run operating-system commands. Business urgency depends on whether affected routers are still deployed and whether their management interfaces are reachable beyond trusted administrators.
Executive priority
Treat this as a targeted edge-device risk. Prioritize validation if these routers protect business networks, expose remote administration, or use shared credentials. No active exploitation evidence is supplied.
Technical view
The CVE describes remote authenticated OS command injection in Acl.asp through the ScrIPaddrEndTXT parameter on D-Link DSL-3782 firmware 1.01. No CVSS, CWE, or vendor fix detail is included in the supplied record. The linked advisory title references DIR-3782, so product naming should be verified against deployed hardware and firmware.
Likely exposure
Exposure is likely limited to environments running D-Link DSL-3782 firmware 1.01, especially where router administration is reachable from untrusted networks or shared admin credentials exist.
Exploitation context
The supplied sources support remote authenticated exploitation potential, not unauthenticated exploitation. CISA KEV status is false, and the bundle does not provide evidence of active exploitation in the wild.
Researcher notes
Evidence is thin: the CVE record identifies the endpoint, parameter, authentication requirement, and affected firmware, but omits scoring and remediation. Confirm the model discrepancy between CVE text and advisory title before broad asset matching.
Mitigation direction
- Check D-Link support guidance for firmware updates or replacement advice.
- Restrict router administration to trusted management networks only.
- Disable remote administration where it is not required.
- Rotate administrative credentials on potentially affected devices.
- Replace affected devices if vendor-supported remediation is unavailable.
Validation and detection
- Inventory D-Link DSL-3782 devices and confirm firmware versions.
- Verify whether any device runs firmware version 1.01.
- Review management interface exposure from internet and guest networks.
- Check administrative account ownership, password age, and shared access.
- Review router logs for unexpected administrative changes or commands.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-17990 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://c0mix.github.io/2019/D-Link-DIR-3782-SecAdvisory-OS-Command-Injection-and-Stored-XSS/CVE 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.