Security readout for executives and security teams
Plain-English summary
Circle with Disney firmware 2.0.1 has a critical flaw in its configuration restore API. A low-privileged attacker who can reach the device over the network could overwrite files, potentially disrupting the device or compromising sensitive behavior. The provided sources do not show active exploitation or current patch status.
Executive priority
Treat as urgent where affected devices still exist. The issue is old but critical, and internet or broad internal exposure would create disproportionate risk for a consumer network-control device.
Technical view
CVE-2017-2916 affects /api/CONFIG/restore in Circle with Disney firmware 2.0.1. Specially crafted network packets sent as an HTTP request can trigger arbitrary file overwrite. CVSS 3.0 is 9.9: network reachable, low complexity, low privileges, no user interaction, scope changed, and high CIA impact.
Likely exposure
Exposure is limited to Circle with Disney devices running firmware 2.0.1 where the HTTP API is reachable by a low-privileged attacker.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source confirms active exploitation. Risk remains high because exploitation is network-based, low complexity, and requires no user interaction once low privileges are available.
Researcher notes
The bundle identifies arbitrary file overwrite but does not include CWE mapping, patch details, or exploit-in-the-wild evidence. Avoid assuming unauthenticated access; the CVSS vector states PR:L. Confirm reachability and firmware before rating environment-specific risk.
Mitigation direction
- Identify Circle with Disney devices and firmware versions.
- Restrict access to the device HTTP API to trusted administrators only.
- Check Circle Media or vendor guidance for firmware updates or retirement advice.
- Remove or isolate affected devices if no supported fix is available.
- Monitor device configuration changes and unexpected file integrity changes.
Validation and detection
- Inventory network devices for Circle with Disney firmware 2.0.1.
- Confirm whether /api/CONFIG/restore is reachable from user or guest networks.
- Review access controls for low-privileged device accounts or sessions.
- Check logs for unexpected configuration restore activity.
- Verify vendor firmware or support status before remediation decisions.
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
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File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-2916 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.9 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
9.9CriticalVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0423CVE 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.