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CVE Record

CVE-2019-13280: TRENDnet TEW-827DRU with firmware up to and including 2.04B03 contains a stack-based buffer overflow while...

TRENDnet TEW-827DRU with firmware up to and including 2.04B03 contains a stack-based buffer overflow while returning an error message to the user about failure to resolve a hostname during a ping or traceroute attempt. This allows an authenticated user to execute arbitrary code. The exploit can be exercised on the local intranet or remotely if remote administration is enabled.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2019-13280 affects TRENDnet TEW-827DRU routers running firmware up to and including 2.04B03. An authenticated user can trigger a buffer overflow through ping or traceroute error handling and may execute arbitrary code. Risk increases if remote administration is enabled.

Executive priority

Treat this as high priority for affected routers, especially if remote administration is enabled. The business concern is potential router compromise after authenticated access, with possible network foothold implications. Prioritize inventory, exposure reduction, and vendor guidance review.

Technical view

The flaw is a stack-based buffer overflow in hostname resolution error handling during ping or traceroute attempts. The CVE description states authenticated arbitrary code execution is possible from the local intranet, or remotely when remote administration is enabled. No CVSS, CWE, or fixed version is provided in the bundle.

Likely exposure

Exposure is limited to TRENDnet TEW-827DRU devices on firmware 2.04B03 or earlier. Internet exposure depends on whether remote administration is enabled. Local exposure exists where untrusted or compromised users can authenticate to the router interface.

Exploitation context

The source bundle includes a public GitHub reference for this CVE, but provides no KEV listing and no cited evidence of active exploitation. The described attack requires authentication and access to the router management function, locally or remotely if remote administration is enabled.

Researcher notes

Evidence is sparse: the bundle supplies the CVE description, dates, and a GitHub reference, but no CVSS, CWE, vendor advisory, or fixed firmware version. Avoid assuming unauthenticated exploitation or active exploitation without additional cited evidence.

Mitigation direction

  • Inventory TRENDnet TEW-827DRU routers and record firmware versions.
  • Disable remote administration unless explicitly required.
  • Restrict router administration to trusted management networks.
  • Review TRENDnet guidance for firmware updates or replacement advice.
  • Rotate router administrator credentials where exposure is possible.

Validation and detection

  • Confirm whether any TEW-827DRU devices run firmware 2.04B03 or earlier.
  • Verify remote administration is disabled or tightly restricted.
  • Check management access logs for unexpected authenticated activity.
  • Confirm administrative access is limited to authorized users and networks.
  • Track vendor advisories for confirmed fixed firmware details.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2019-13280 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.