Security readout for executives and security teams
Plain-English summary
CVE-2017-14437 can let an unauthenticated network attacker crash the web server function on a Moxa EDR-810 device. The impact is denial of service, not data theft or code execution based on the supplied sources.
Executive priority
Treat as high priority for operational technology environments where device availability matters. Prioritize exposed management interfaces first, because the vulnerability can be triggered remotely without authentication.
Technical view
The flaw is a null pointer dereference in Moxa EDR-810 V4.1 build 17030317 web server handling. A specially crafted HTTP URI can trigger a crash, with CVSS 3.0 score 7.5 due to network reachability, low complexity, no privileges, and high availability impact.
Likely exposure
Exposure is limited to environments running Moxa EDR-810 V4.1 build 17030317, especially where the device web interface is reachable from untrusted networks.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The vulnerability is remotely reachable and unauthenticated, so internet-exposed or broadly reachable management interfaces are the primary concern.
Researcher notes
Evidence supports availability impact only. The affected version named in the bundle is specific: Moxa EDR-810 V4.1 build 17030317. No CWE, patch version, mitigation details, or exploitation-in-the-wild evidence are included beyond the cited records.
Mitigation direction
- Inventory Moxa EDR-810 devices and identify firmware build 17030317.
- Restrict web management access to trusted admin networks or VPN only.
- Check Moxa and Talos guidance for fixed firmware or supported workarounds.
- Block untrusted HTTP access to affected device management interfaces.
- Increase monitoring for device or web service crashes until remediated.
Validation and detection
- Confirm whether any Moxa EDR-810 runs V4.1 build 17030317.
- Review network paths to the device web management interface.
- Verify management interfaces are not internet-exposed.
- Check logs or monitoring for unexpected restarts or web service failures.
- Confirm vendor remediation status before closing the finding.
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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CVE-2017-14437 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
- High
- CVSS
- 7.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.5HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0474CVE 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.