Security readout for executives and security teams
Plain-English summary
CVE-2019-13155 affects TRENDnet TEW-827DRU routers running firmware before 2.05B11. An authenticated user can abuse the Add Virtual Server IP Address handling to inject commands. For executives, the risk is device compromise where vulnerable routers remain deployed and management access is exposed or weakly controlled.
Executive priority
Prioritize remediation if these routers exist in production, remote offices, or sensitive network paths. This is not a broad enterprise-software issue, but a compromised edge router can undermine network trust and persistence assumptions.
Technical view
The CVE describes authenticated command injection in apply.cgi through the IP Address field in Add Virtual Server. Affected scope is TRENDnet TEW-827DRU firmware before 2.05B11. The public record does not provide CVSS, CWE classification, detailed impact boundaries, or vendor remediation text beyond the affected version statement.
Likely exposure
Exposure is limited to environments using TRENDnet TEW-827DRU routers on firmware before 2.05B11. Risk is higher where administrative access is reachable by untrusted users, shared credentials exist, or router management is exposed beyond trusted networks.
Exploitation context
The CVE has a public proof-of-concept reference, but the source bundle does not show CISA KEV listing or confirmed active exploitation. Because exploitation requires authentication, credential control and management-interface exposure materially affect practical risk.
Researcher notes
Evidence is sparse: no CVSS vector, CWE, detailed advisory, or vendor fix instructions are included. The safest interpretation is authenticated command injection affecting firmware before 2.05B11, with public PoC reference but no source-backed active exploitation claim.
Mitigation direction
- Inventory TRENDnet TEW-827DRU devices and identify firmware versions.
- Update affected devices to firmware 2.05B11 or later where vendor guidance supports it.
- Restrict router administration to trusted management networks only.
- Rotate router administrator credentials where exposure is suspected.
- Check TRENDnet guidance for any model-specific hardening or replacement advice.
Validation and detection
- Confirm whether any deployed TEW-827DRU runs firmware before 2.05B11.
- Verify administrative interfaces are not reachable from untrusted networks.
- Review router configuration changes for unexpected virtual server entries.
- Check device logs for suspicious authenticated administration activity.
- After remediation, recheck firmware version and management access controls.
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-2019-13155 mapping review
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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/cmdinject45.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.