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CVE Record

CVE-2021-41441: A DoS attack in the web application of D-Link DIR-X1860 before v1.10WWB09_Beta allows a remote unauthentica...

A DoS attack in the web application of D-Link DIR-X1860 before v1.10WWB09_Beta allows a remote unauthenticated attacker to reboot the router via sending a specially crafted URL to an authenticated victim. The authenticated victim need to visit this URL, for the router to reboot.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-41441 affects D-Link DIR-X1860 routers before v1.10WWB09_Beta. An attacker can cause the router to reboot if an already authenticated router user is tricked into visiting a specially crafted URL. The main business impact is network disruption, not documented data theft or system takeover.

Executive priority

Treat this as an availability risk for affected edge or office routers. Prioritize firmware review and administrative interface hardening, but do not escalate as a confirmed active-exploitation emergency based on the provided evidence.

Technical view

The issue is a web-application denial-of-service condition in D-Link DIR-X1860 firmware before v1.10WWB09_Beta. The CVE description says a remote unauthenticated attacker can trigger a reboot through an authenticated victim’s browser interaction. The bundle provides no CVSS, CWE, or detailed root cause.

Likely exposure

Exposure is likely limited to organizations using D-Link DIR-X1860 routers running firmware earlier than v1.10WWB09_Beta, especially where administrators remain authenticated to the router web interface while browsing untrusted content.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires user interaction by an authenticated victim. The documented outcome is router reboot and service interruption; the bundle does not support claims of code execution or credential compromise.

Researcher notes

The source bundle has incomplete structured metadata: severity, CVSS, CWE, CPEs, and affected product fields are missing or placeholders. The product and version boundary come from the CVE description and D-Link references, so validation should rely on vendor advisory details.

Mitigation direction

  • Check D-Link SAP10283 and security bulletin guidance for the affected router.
  • Update DIR-X1860 firmware to v1.10WWB09_Beta or a later vendor-recommended release.
  • Restrict router administration access to trusted management networks.
  • Disable remote administration if it is not operationally required.
  • Avoid staying authenticated to router administration pages during general browsing.

Validation and detection

  • Inventory D-Link DIR-X1860 devices and record firmware versions.
  • Confirm whether any device runs firmware earlier than v1.10WWB09_Beta.
  • Review whether the router web interface is reachable from user browsing environments.
  • Check device logs or uptime history for unexpected reboots.
  • Track D-Link advisory SAP10283 for any revised remediation details.
Prepared
Confidence
medium
Sources
4

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.

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CVE-2021-41441 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
3Timeline events
1ADP providers
3Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

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ADP provider summaries

CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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