Security readout for executives and security teams
Plain-English summary
CVE-2019-13154 is an authenticated command injection issue in TRENDnet TEW-827DRU router firmware before 2.05B11. A logged-in administrator could trigger unintended system commands through a gaming-rule port field. Business risk is highest where router administration is exposed, shared, or protected by weak credentials.
Executive priority
Prioritize remediation for any affected router managing business connectivity or reachable from outside trusted networks. Authenticated command injection on a router can become serious if credentials are compromised.
Technical view
The CVE describes command injection in apply.cgi via the “TCP Ports To Open” value in Add Gaming Rule. Exploitation requires authentication. The source bundle does not provide CVSS, CWE, detailed impact, or vendor advisory text, but the affected firmware boundary is stated as before 2.05B11.
Likely exposure
Exposure is limited to TRENDnet TEW-827DRU devices running firmware older than 2.05B11, especially where administrative access is reachable by untrusted users or weakly controlled networks.
Exploitation context
The CVE says exploitation requires authentication. The bundle includes a public proof-of-concept reference, but no KEV listing and no cited evidence of active exploitation in the wild.
Researcher notes
Evidence is sparse: the CVE record names the product, firmware boundary, endpoint, affected field, and authentication requirement. It does not include CVSS, CWE, vendor advisory details, or confirmed active exploitation.
Mitigation direction
- Upgrade TEW-827DRU firmware to 2.05B11 or later if available.
- Check TRENDnet guidance for supported firmware and replacement advice.
- Restrict router administration to trusted management networks only.
- Disable remote administration if it is not strictly required.
- Use unique, strong administrator credentials and rotate shared passwords.
Validation and detection
- Inventory all TRENDnet TEW-827DRU routers in use.
- Confirm each device firmware version is 2.05B11 or later.
- Review whether administrative interfaces are externally reachable.
- Check configuration access logs for unexpected administrator activity.
- Verify gaming-rule configuration is limited to authorized administrators.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
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 lookupCVE-2019-13154 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/TeamSeri0us/pocs/blob/master/iot/trendnet/cmdinject678.jpgCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.