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CVE Record

CVE-2018-11013: Stack-based buffer overflow in the websRedirect function in GoAhead on D-Link DIR-816 A2 (CN) routers with...

Stack-based buffer overflow in the websRedirect function in GoAhead on D-Link DIR-816 A2 (CN) routers with firmware version 1.10B05 allows unauthenticated remote attackers to execute arbitrary code via a request with a long HTTP Host header.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This issue affects a specific D-Link DIR-816 A2 China-market router firmware. A malformed web request can overflow memory in the router web server and may let an unauthenticated remote attacker run code. Treat exposed affected routers as urgent, but the provided sources do not show active exploitation.

Executive priority

Prioritize any internet-facing affected routers. The business risk is device takeover at the network edge, but scope appears narrow and active exploitation is not evidenced in the provided sources.

Technical view

CVE-2018-11013 is a stack-based buffer overflow in GoAhead's websRedirect function on D-Link DIR-816 A2 (CN) firmware 1.10B05. The CVE description says unauthenticated remote attackers can achieve arbitrary code execution using an overlong HTTP Host header. No CVSS, CWE, or vendor fix is provided in the bundle.

Likely exposure

Confirmed exposure is limited to D-Link DIR-816 A2 (CN) routers running firmware 1.10B05. Risk is highest where the router web interface is reachable from the internet, guest networks, or other untrusted segments. The source bundle's structured affected-product fields are incomplete.

Exploitation context

The CVE description supports unauthenticated remote code execution. A public technical reference exists, but the bundle does not include CISA KEV listing or other evidence of active exploitation. Do not assume broader D-Link models are affected without vendor confirmation.

Researcher notes

The core evidence is the CVE description and a single public write-up. The bundle lacks CVSS, CWE, CPE, patch status, and vendor advisory details. Validate only the named model, region variant, and firmware unless additional vendor evidence expands scope.

Mitigation direction

  • Check D-Link guidance for fixed firmware or retirement status.
  • Remove internet exposure for the router web interface.
  • Restrict management access to trusted administrative networks only.
  • Replace affected routers if no supported fixed firmware is available.
  • Monitor perimeter logs for abnormal web management requests.

Validation and detection

  • Inventory D-Link DIR-816 A2 China-region routers and firmware versions.
  • Confirm whether any device runs firmware 1.10B05.
  • Verify management interfaces are not reachable from untrusted networks.
  • Review vendor advisories before applying firmware changes.
  • Document unsupported devices for replacement planning.
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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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-2018-11013 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.