An OS command injection vulnerability exists in multiple D-Link routers—confirmed on DIR-300 rev A (v1.05) and DIR-615 rev D (v4.13)—via the authenticated tools_vct.xgi CGI endpoint. The web interface fails to properly sanitize user-supplied input in the pingIp parameter, allowing attackers with valid credentials to inject arbitrary shell commands. Exploitation enables full device compromise, including spawning a telnet daemon and establishing a root shell. The vulnerability is present in firmware versions that expose tools_vct.xgi and use the Mathopd/1.5p6 web server. No vendor patch is available, and affected models are end-of-life.
Security readout for executives and security teams
Plain-English summary
Legacy D-Link DIR-300 rev A and DIR-615 rev D routers can be fully compromised through command injection in the web management ping feature. Sources describe valid credentials required, despite the title/advisory wording saying unauthenticated. No vendor patch is identified and affected models are end-of-life, so response should focus on identifying and replacing exposed legacy devices.
Executive priority
Prioritize discovery and replacement where these routers support business connectivity or remote sites. Because there is no patch identified and public exploit material exists, compensating controls are temporary. Internet-exposed or shared-credential devices should be treated as urgent remediation candidates.
Technical view
CWE-78 OS command injection affects tools_vct.xgi via the pingIp parameter on firmware exposing Mathopd/1.5p6, confirmed on DIR-300 rev A v1.05 and DIR-615 rev D v4.13. CVSS v4.0 is 8.7 with network access, low complexity, low privileges, no user interaction, and high device confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely in small-office, branch, home-office, or unmanaged network environments still running legacy D-Link DIR-300 rev A or DIR-615 rev D devices. Internet-facing management interfaces materially increase risk. The provided affected version data is limited and should be validated against actual firmware and model inventory.
Exploitation context
The bundle cites public exploit references and a Metasploit module, indicating mature public knowledge. It does not cite CISA KEV listing or confirmed active exploitation. The source bundle is internally inconsistent on authentication, so treat exposure requiring credentials as the better-supported detail unless vendor records prove otherwise.
Researcher notes
Key uncertainty: the title and VulnCheck-style wording say unauthenticated RCE, while the description, CVSS PR:L, and endpoint context indicate authenticated exploitation. Do not broaden affected products beyond DIR-300 rev A and DIR-615 rev D without additional evidence. Public exploit references should be used only for defensive validation planning.
Mitigation direction
Identify and replace affected end-of-life D-Link routers.
Remove web management interfaces from internet exposure.
Restrict administration to trusted management networks only.
Review D-Link guidance; no vendor patch is identified in the bundle.
Rotate device credentials and audit configuration after suspected exposure.
Validation and detection
Inventory D-Link router models and hardware revisions.
Check firmware versions against DIR-300 rev A v1.05 and DIR-615 rev D v4.13.
Confirm whether tools_vct.xgi is present on management interfaces.
Identify devices exposing Mathopd/1.5p6 web management.
Review logs or configuration for unexpected administrative changes.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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 · medium confidence lookup
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.
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.
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.
1CVSS vectors
3Timeline events
1ADP providers
7Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We 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.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-78 · source CWE mapping
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.