Security readout for executives and security teams
Plain-English summary
Affected D-Link DWR-M961 C1 routers can allow an unauthenticated remote attacker to run operating-system commands as root. Successful compromise could expose network traffic, alter router settings, disrupt connectivity, or provide a foothold into connected environments. The supplied record identifies firmware 1.1.5_C1_202607071108 as the remediation boundary.
Executive priority
Prioritize immediate identification and remediation of internet-exposed or operationally critical DWR-M961 C1 routers. Root-level, unauthenticated command execution creates potential for complete device compromise. Absence from KEV reduces certainty about current attacks but does not materially reduce the technical severity.
Technical view
CVE-2026-71945 is a CWE-78 command-injection flaw in /boafrm/formLtefotaUpgradeFibocom. Unsanitized fota_url input can reach command execution with root privileges. CVSS 3.1 rates it 9.8 because exploitation is network-accessible, low complexity, requires neither authentication nor 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 bundle does not establish how commonly that interface is externally exposed.
Exploitation context
The supplied CVSS vector indicates unauthenticated, network-based exploitation with low complexity and no user interaction. However, the CVE is not listed as KEV, and the supplied sources do not establish active exploitation. Treat exploitation as technically plausible, not confirmed in the wild.
Researcher notes
The affected endpoint and fota_url parameter are publicly identified, but the bundle provides no safe validation signature, exposure prevalence, or confirmed exploitation telemetry. The structured affected-version entry lists "0," conflicting with the narrative firmware range; use the narrative boundary and vendor advisory, and verify device metadata directly.
Mitigation direction
- Upgrade affected C1 devices to firmware 1.1.5_C1_202607071108 or a later vendor-approved release.
- Follow the D-Link advisory for installation instructions and any additional safeguards.
- Restrict router interfaces to trusted management networks until every affected device is updated.
- Replace or isolate any device that cannot receive the vendor-approved firmware.
Validation and detection
- Inventory DWR-M961 devices and confirm each unit's hardware revision and installed firmware.
- Identify whether the vulnerable interface is reachable from internet-facing or untrusted networks.
- After upgrading, verify the reported firmware is 1.1.5_C1_202607071108 or later.
- Review affected routers for unexpected configuration changes, processes, or outbound communications.
- Preserve evidence and investigate further if compromise indicators are found.
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-2026-71945 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-formltefotaupgradefibocomCVE 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.