Security readout for executives and security teams
Plain-English summary
This CVE describes a cross-site scripting issue in Technicolor DPC3928SL devices running firmware D3928SL-PSIP-13-A010-c3420r55105-160428a. In business terms, affected gateway equipment may be able to store or present attacker-controlled script through a wireless SSID-related setting. Public evidence is sparse, and no official severity score or active exploitation signal is provided.
Executive priority
Track as an exposure-management issue for legacy gateway hardware. Escalate priority if the device is internet-reachable, used in a business network, or lacks a supported update path.
Technical view
The CVE states that Technicolor DPC3928SL firmware D3928SL-PSIP-13-A010-c3420r55105-160428a allows XSS via a Cross Protocol Injection involving setSSID OID 1.3.6.1.4.1.4413.2.2.2.1.18.1.2.1.1.3.10001. The available sources do not provide CVSS, CWE mapping, confirmed prerequisites, patch status, or a vendor advisory.
Likely exposure
Exposure appears limited to environments using the named DPC3928SL device and firmware. The source bundle does not confirm affected versions beyond the listed build, whether remote management is required, or whether default configurations are vulnerable.
Exploitation context
The CVE and linked public reference describe an XSS condition via cross-protocol injection, but the bundle does not show KEV listing or other cited evidence of active exploitation. Treat exploitability details as incomplete.
Researcher notes
The public record is thin: no CVSS, CWE, vendor fix, or detailed preconditions are present in the supplied bundle. The OID reference suggests SSID-setting behavior is involved, but validation should stay bounded to authorized lab review and vendor documentation.
Mitigation direction
- Check Technicolor or ISP firmware guidance for the named DPC3928SL build.
- Inventory gateways and identify devices running D3928SL-PSIP-13-A010-c3420r55105-160428a.
- Restrict device management access to trusted administrative networks.
- Review exposed management services and disable unnecessary access per vendor guidance.
- Plan replacement if no supported firmware or vendor remediation path exists.
Validation and detection
- Confirm whether any DPC3928SL devices exist in the environment.
- Record exact firmware versions from device administration or asset data.
- Review whether management interfaces are reachable from untrusted networks.
- Check vendor or ISP support channels for firmware advisories or updates.
- Prioritize testing in a controlled lab; avoid probing production with unsafe payloads.
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.
CVE-2018-20379 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://misteralfa-hack.blogspot.com/2018/12/cisco-dpc3928sl-explotando-un-xss-via.htmlCVE 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.