Security readout for executives and security teams
Plain-English summary
CVE-2019-13128 affects D-Link DIR-823G routers running firmware 1.02B03. An authenticated user of the router’s HNAP1 interface may be able to inject operating-system commands through static route settings. This could let a legitimate or stolen admin session compromise the device.
Executive priority
Prioritize remediation for any exposed or shared-admin DIR-823G devices. The issue can affect network boundary equipment, but urgency depends on confirmed device presence, firmware version, and management-interface exposure.
Technical view
The CVE describes authenticated command injection in HNAP1 SetStaticRouteSettings. Shell metacharacters in the IPAddress or Gateway field are the reported injection path. The source bundle names only D-Link DIR-823G firmware 1.02B03 and does not provide CVSS, CWE, CPE, or vendor remediation details.
Likely exposure
Exposure is most likely in environments still using D-Link DIR-823G devices on firmware 1.02B03, especially where router administration is reachable from broad internal networks or the internet.
Exploitation context
The source bundle includes a public proof-of-concept reference, but KEV is false and no cited source states active exploitation. The issue is described as requiring authentication, so stolen credentials or an existing admin session materially increase risk.
Researcher notes
Evidence is sparse: the CVE record gives the vulnerable endpoint, fields, authentication requirement, and firmware version, but omits CVSS, CWE, CPE, and patch status. Avoid assuming other D-Link models or firmware are affected without vendor evidence.
Mitigation direction
- Check D-Link guidance for DIR-823G firmware 1.02B03 remediation.
- Restrict router administration to trusted management networks or VPN only.
- Disable remote administration if it is not required.
- Use strong unique admin credentials and rotate any shared passwords.
- Replace or isolate devices if no supported fix is available.
Validation and detection
- Inventory D-Link DIR-823G devices and record firmware versions.
- Confirm whether any device runs firmware 1.02B03.
- Verify HNAP or admin interfaces are not internet-exposed.
- Review router admin accounts for shared or weak credentials.
- Check logs for unexpected static route changes or admin activity.
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-2019-13128 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/dlink/DIR-823G-v2.pdfCVE 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.