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CVE Record

CVE-2021-37388: A buffer overflow in D-Link DIR-615 C2 3.03WW.

A buffer overflow in D-Link DIR-615 C2 3.03WW. The ping_ipaddr parameter in ping_response.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE describes a buffer overflow in the D-Link DIR-615 C2 router firmware 3.03WW. A malicious request to the router's web interface can crash the webserver and may allow remote code execution. Business urgency depends on whether affected routers are still deployed and reachable by untrusted users.

Executive priority

Treat as high priority where affected routers are internet-exposed or used in sensitive network segments. The likely business risk is service disruption, with possible device compromise. Prioritize discovery and exposure reduction because patch information is not confirmed in the provided sources.

Technical view

The CVE identifies the ping_ipaddr parameter in a POST request to ping_response.cgi as the overflow trigger. Reported impact is webserver crash with possible remote code execution. The record does not provide CVSS, CWE, authentication requirements, patch status, or confirmed exploit-in-the-wild evidence.

Likely exposure

Exposure is likely limited to organizations still running D-Link DIR-615 hardware revision C2 with firmware 3.03WW, especially where the web management interface is reachable from the internet, guest networks, or other untrusted segments.

Exploitation context

The source bundle does not show CISA KEV inclusion or confirmed active exploitation. It includes a public GitHub reference, so defenders should assume technical details may be publicly available. Evidence is insufficient to state real-world exploitation.

Researcher notes

The public record is sparse: no CVSS vector, CWE, authentication context, or definitive remediation. Analysis should stay scoped to D-Link DIR-615 C2 3.03WW and avoid assuming other revisions or firmware builds are affected without vendor evidence.

Mitigation direction

  • Inventory for D-Link DIR-615 C2 devices running firmware 3.03WW.
  • Review D-Link security guidance for affected model status and supported updates.
  • Block internet and untrusted-network access to the router management interface.
  • Disable WAN-side administration if enabled.
  • Replace or isolate devices if no supported vendor fix is available.

Validation and detection

  • Confirm hardware revision and firmware version from device administration records.
  • Verify management interfaces are not exposed to the public internet.
  • Review firewall rules for access to router web administration ports.
  • Check logs for unexplained webserver crashes or suspicious admin-interface activity.
  • Confirm remediation decisions against current D-Link security bulletin guidance.
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.

ATT&CK lookup starting points

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description · low confidence lookup

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-2021-37388 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
3Source 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.