Security readout for executives and security teams
Plain-English summary
A vulnerable D-Link DWR-M961 router could let an unauthenticated remote attacker run commands as root through its ping-diagnostic function. Successful exploitation could expose traffic and credentials, change router settings, disrupt connectivity, or compromise connected networks.
Executive priority
Treat affected, reachable devices as an immediate remediation priority. Identify C1 units, restrict interface exposure, and deploy the vendor firmware promptly. Devices controlling important sites or carrying sensitive traffic should be handled first.
Technical view
CVE-2026-71946 is a CWE-78 command-injection flaw in /boafrm/formPingDiagnosticRun. The host field reportedly accepts injected operating-system commands. It affects DWR-M961 hardware revision C1 running firmware earlier than 1.1.5_C1_202607071108 and can provide root-level execution without authentication or user interaction.
Likely exposure
Exposure is limited to DWR-M961 hardware revision C1 with affected firmware. Risk is highest where the vulnerable web interface is reachable from the internet or untrusted networks. The bundle does not establish whether factory-default configurations expose this interface externally.
Exploitation context
The CVSS 3.1 score is 9.8 because exploitation is network-based, low complexity, unauthenticated, and requires no user interaction. The supplied record is not marked as CISA KEV, and the sources provided do not establish active exploitation in the wild.
Researcher notes
The affected request handler and input field are identified, but the bundle does not document authentication configuration, default interface exposure, indicators of compromise, or verified exploitation activity. Validation should remain non-destructive and focus on model, hardware, firmware, reachability, and logs.
Mitigation direction
- Inventory DWR-M961 devices and confirm each device's hardware revision and installed firmware.
- Upgrade C1 devices to 1.1.5_C1_202607071108 or a later vendor-approved release.
- Until upgraded, prevent the management and diagnostic interface from being reachable from untrusted networks.
- Review the D-Link advisory for installation instructions, prerequisites, and any additional mitigations.
Validation and detection
- Verify the device label or management interface identifies hardware revision C1.
- Confirm the installed firmware is 1.1.5_C1_202607071108 or later.
- Test externally that management and diagnostic interfaces are inaccessible from untrusted networks.
- Review router and network logs for unexpected diagnostic requests, configuration changes, or outbound connections.
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-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-2026-71946 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
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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.
SSVC decision data
CVSS vector scores
2 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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
9.3CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- 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
- D-Link AdvisoryCVE reference, VulnCheck · vendor-advisory, patch
- Product WebpageCVE reference, VulnCheck · product
- https://www.vulncheck.com/advisories/d-link-dwr-m961-command-injection-via-boafrm-formpingdiagnosticrunCVE reference, VulnCheck · third-party-advisory
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 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.