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CVE Record

CVE-2018-10749: An issue was discovered on D-Link DSL-3782 EU 1.01 devices.

An issue was discovered on D-Link DSL-3782 EU 1.01 devices. An authenticated user can pass a long buffer as a 'commit' parameter to the '/userfs/bin/tcapi' binary (in the Diagnostics component) using the 'commit <node_name>' function and cause memory corruption. Furthermore, it is possible to redirect the flow of the program and execute arbitrary code.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2018-10749 affects D-Link DSL-3782 EU 1.01 devices. An authenticated user can trigger memory corruption in the Diagnostics component, and the CVE description says this may allow arbitrary code execution. The source bundle does not identify a vendor patch, CVSS score, or broader affected version range.

Executive priority

Prioritize if these routers protect business networks, remote offices, or customer-facing connectivity. The main risk is authenticated code execution on network edge equipment. Because patch status is not identified in the sources, asset discovery and vendor confirmation are the immediate business actions.

Technical view

The issue involves a long buffer passed as the commit parameter to the /userfs/bin/tcapi binary through the Diagnostics component's commit function. The reported impact is memory corruption with possible control-flow redirection and arbitrary code execution. Evidence is limited to the CVE record and the linked public GitHub write-up.

Likely exposure

Exposure is limited by the available evidence to D-Link DSL-3782 EU firmware 1.01 devices where an attacker has authenticated access to the relevant management or diagnostics functionality. No source in the bundle confirms other products, regions, or firmware versions.

Exploitation context

The source bundle says exploitation requires an authenticated user. It does not provide CISA KEV listing, observed exploitation, exploit maturity, or campaign evidence. Treat public vulnerability details as increasing risk, but do not assume active exploitation from the provided sources.

Researcher notes

The affected product metadata in the bundle is incomplete, but the description specifically names D-Link DSL-3782 EU 1.01. Do not generalize beyond that without additional vendor evidence. The report maps naturally to memory corruption and potential code execution, but no CVSS, CWE, or exploit-in-the-wild evidence is provided.

Mitigation direction

  • Identify any D-Link DSL-3782 EU 1.01 devices in service.
  • Check D-Link or service-provider guidance for fixed firmware or replacement advice.
  • Restrict management access to trusted networks or VPN paths only.
  • Remove internet exposure from router administration interfaces.
  • Use strong, unique administrator credentials and review privileged accounts.
  • Retire unsupported devices if no vendor-supported fix is available.

Validation and detection

  • Inventory edge routers and confirm exact model and firmware version.
  • Verify whether administrative or diagnostics interfaces are reachable from untrusted networks.
  • Review account lists for unnecessary or shared administrative access.
  • Check vendor advisories and device firmware release notes for remediation status.
  • Monitor router logs for unusual authenticated diagnostics or configuration activity.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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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.

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CVE-2018-10749 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.