Security readout for executives and security teams
Plain-English summary
Affected D-Link DWR-M961 C1 routers can allow a remote, unauthenticated attacker to execute commands as the device’s root user. Successful compromise could expose network traffic, alter router settings, disrupt connectivity, or provide a foothold into connected environments. Devices running firmware earlier than the identified fixed release require urgent attention.
Executive priority
Treat this as an immediate remediation priority for reachable DWR-M961 C1 devices. Identify affected assets, restrict access, and schedule the vendor firmware upgrade urgently. Investigate potentially exposed devices for compromise indicators because successful exploitation provides root-level control.
Technical view
CVE-2026-71950 is a CWE-78 command injection flaw in /boafrm/formSmsManage. Unsanitized action_value input can reach command execution with root privileges. Its CVSS 3.1 score is 9.8 because exploitation is network-accessible, low-complexity, requires no privileges or user interaction, and can fully affect confidentiality, integrity, and availability.
Likely exposure
Exposure is limited to D-Link DWR-M961 hardware revision C1 running firmware earlier than 1.1.5_C1_202607071108. Risk is greatest where the vulnerable interface is reachable from the internet or other untrusted networks. The supplied evidence does not quantify deployed devices or confirm whether default configurations expose the interface.
Exploitation context
The sources describe remote, unauthenticated root command execution. The CVE is not identified as being in CISA KEV, and the supplied sources provide no evidence of active exploitation. Its low-complexity network vector nevertheless makes reachable vulnerable devices attractive targets.
Researcher notes
The vulnerable sink is the action_value field handled by /boafrm/formSmsManage. The source bundle identifies pre-1.1.5_C1_202607071108 firmware on hardware C1 as vulnerable. It does not document attack telemetry, affected default exposure, proof-of-concept availability, or forensic indicators, so those points should not be assumed.
Mitigation direction
- Upgrade C1 devices to firmware 1.1.5_C1_202607071108 or a later vendor-supported release.
- Block untrusted network access to the affected interface until upgrades are complete.
- Place router management access behind trusted administrative networks and appropriate access controls.
- Review D-Link’s advisory for deployment instructions and any updated guidance.
Validation and detection
- Inventory DWR-M961 devices and confirm each device’s hardware revision.
- Record installed firmware and flag C1 devices below 1.1.5_C1_202607071108.
- Verify the affected interface is not reachable from untrusted networks.
- Review available logs for unexpected requests to /boafrm/formSmsManage or unexplained configuration changes.
- After upgrading, confirm firmware persistence following a controlled reboot.
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-2026-71950 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-formsmsmanageCVE 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.