Security readout for executives and security teams
Plain-English summary
CVE-2017-11502 is a remote arbitrary file-read issue reported in Technicolor DPC3928AD DOCSIS devices. If the affected service is reachable, an attacker may read files from the device without needing local access. The public data does not provide a CVSS score, vendor patch, or confirmed exploitation evidence.
Executive priority
Prioritize remediation if these devices are externally reachable or used in sensitive network segments. The business risk is unauthorized device file disclosure, but urgency depends on confirmed deployment, exposure, and vendor support status.
Technical view
The CVE describes improper file path handling on a service listening on TCP port 4321, allowing remote attackers to read arbitrary files via path traversal-style HTTP requests. The source bundle names Technicolor DPC3928AD DOCSIS devices but does not provide affected firmware versions, CWE mapping, CVSS details, or remediation metadata.
Likely exposure
Exposure is most likely where Technicolor DPC3928AD DOCSIS devices have TCP port 4321 reachable from the internet or untrusted networks. Scope is uncertain because firmware versions and deployment conditions are not listed in the provided sources.
Exploitation context
The CVE is not listed as KEV in the source bundle, and no cited source confirms active exploitation. The issue is publicly described, including the affected device family and service port, which increases validation and abuse risk if exposed devices remain reachable.
Researcher notes
Evidence is limited to the CVE description and a Securiteam reference. No CVSS, CWE, affected firmware range, patch identifier, or vendor advisory is included in the bundle. Treat product and port matching as the initial validation path.
Mitigation direction
- Check ISP or vendor firmware guidance for Technicolor DPC3928AD devices.
- Restrict TCP port 4321 from internet and untrusted network access.
- Place device administration services on trusted management networks only.
- Upgrade or replace devices if supported firmware guidance is unavailable.
- Monitor perimeter exposure for unexpected DOCSIS device services.
Validation and detection
- Inventory Technicolor DPC3928AD DOCSIS devices in managed networks.
- Confirm whether TCP port 4321 is reachable from untrusted networks.
- Review device firmware and support status with the ISP or vendor.
- Check logs or network telemetry for unexpected access to TCP port 4321.
- Document any compensating controls around exposed management services.
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-2017-11502 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://blogs.securiteam.com/index.php/archives/2911#more-2911CVE 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.