Security readout for executives and security teams
Plain-English summary
A remote attacker with high-privilege access could abuse the DNS-320 file-sharing interface to execute operating-system commands. Successful exploitation could compromise stored files, device integrity, availability, and potentially connected systems. The named affected release is firmware 2.06B01.
Executive priority
Prioritize immediate exposure reduction and asset identification. Escalate internet-accessible or broadly reachable 2.06B01 devices for urgent containment. Because no vendor fix is identified in the supplied sources, obtain current D-Link guidance and prepare replacement if supported remediation is unavailable.
Technical view
The vulnerability is an OS command injection in /cgi/file_sharing.cgi. Manipulation of the fileurl argument can reportedly reach command execution without adequate neutralization. CVSS 4.0 rates it 9.4: network-accessible, low complexity, no user interaction, but requiring high privileges.
Likely exposure
Exposure is established only for D-Link DNS-320 ShareCenter firmware 2.06B01. Risk is greatest where the file-sharing CGI endpoint is reachable by untrusted networks or privileged credentials are compromised. The sources do not establish whether other firmware versions are affected.
Exploitation context
A public exploit disclosure exists, and CVSS marks proof-of-concept maturity as present. However, the bundle reports no CISA KEV listing and provides no evidence of active exploitation. Treat exploitation as feasible, not confirmed in the wild.
Researcher notes
The record identifies CWE-77 and CWE-78 and a fileurl injection point, but does not describe the affected code path or name a vendor patch. High privileges are required according to the CVSS vector. Public disclosure increases practical risk, although field exploitation remains unconfirmed.
Mitigation direction
- Restrict the NAS and its file-sharing interface to trusted networks and administrators.
- Disable remote access or the affected file-sharing function where operationally acceptable.
- Check D-Link guidance for an approved firmware update, workaround, or replacement recommendation.
- Rotate privileged credentials if compromise or unauthorized access is suspected.
- Monitor and block unexpected requests to /cgi/file_sharing.cgi.
Validation and detection
- Inventory DNS-320 devices and confirm their exact firmware versions.
- Determine whether /cgi/file_sharing.cgi is reachable from internet-facing or untrusted networks.
- Review web, authentication, and system logs for unusual file_sharing.cgi requests or command execution indicators.
- Confirm network restrictions prevent untrusted access to the affected interface.
- After remediation, verify the device version and access controls against approved configuration records.
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.
CWE-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution 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-2026-85224 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
- Critical
- CVSS
- 9.4 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
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.
SSVC decision data
CVSS vector scores
4 official scoresWe 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:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P——VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R2.36VulDBCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R2.36VulDBAV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR6.410VulDBVulnerability scoring details
Base CVSS 4.0 score
9.4CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
Base CVSS 3.0 score
9.1CriticalVector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
Base CVSS 2.0 score
8.3HighVector: AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineVulDB
Advisory disclosed
- Source timelineVulDB
VulDB entry created
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Source timelineVulDB
VulDB entry last update
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- VDB-398423 | D-Link DNS-320 ShareCenter File Sharing file_sharing.cgi os command injectionCVE reference, VulDB · vdb-entry, technical-description
- VDB-398423 | CTI Indicators (IOB, IOC, TTP, IOA)CVE reference, VulDB · signature, permissions-required
- CVE-2026-85224 | CVE Analysis and ReportCVE reference, VulDB · third-party-advisory
- Submit #894215 | D-Link D-Link DNS-320 ShareCenter NAS DNS-320 REVA Firmware 2.06B01 HOTFIX OS Command InjectionCVE reference, VulDB · third-party-advisory
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-010-vulndb.mdCVE reference, VulDB · exploit
- https://www.dlink.com/CVE reference, VulDB · product
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.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.