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PatchSiren cyber security CVE debrief

CVE-2025-50669 D‑Link CVE debrief

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 and DI-8003G 19.12.10A1 due to improper handling of the wan_ping parameter in the /wan_ping.asp endpoint. This HIGH severity vulnerability, with a CVSS score of 7.5, could allow attackers to execute arbitrary code or cause a denial of service. The CVE record was published on 2026-04-08T19:24:17.580Z and has not been modified since then. Security teams responsible for D-Link DI-8003 devices should assess and mitigate this vulnerability promptly.

Vendor
D‑Link
Product
DI-8003
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-08
Original CVE updated
2026-07-25
Advisory published
2026-04-08
Advisory updated
2026-07-25

Who should care

Security teams responsible for D-Link DI-8003 devices, network administrators, and IT professionals managing D-Link products should assess and mitigate this HIGH severity vulnerability. The vulnerability's impact on the organization depends on the specific products and versions in use. Teams should verify their product versions and apply vendor patches or mitigations as needed.

Technical summary

The vulnerability has a CVSS score of 7.5 and is classified as HIGH severity. It is caused by improper handling of the wan_ping parameter in the /wan_ping.asp endpoint. Affected products include D-Link DI-8003 16.07.26A1 and DI-8003G 19.12.10A1. The vulnerability could allow attackers to execute arbitrary code or cause a denial of service. Security teams should review the CVE record and NVD entry for additional details.

Defensive priority

Apply vendor patches or mitigations to prevent exploitation of this vulnerability. Implement compensating controls and monitor for suspicious activity until patches are applied.

Recommended defensive actions

  • Inventory and assess D-Link DI-8003 devices for vulnerability
  • Apply vendor patches or mitigations
  • Monitor for suspicious activity
  • Implement compensating controls
  • Verify vulnerability remediation
  • Review and update incident response plans
  • Conduct a thorough risk assessment

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. However, additional information on affected scope and vendor remediation is limited. Security teams should verify the vulnerability's impact on their specific environments and review vendor advisories for mitigation strategies. The lack of detailed information on affected products and versions makes it challenging to assess the full scope of the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-50669 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-50669

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-50669 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-50669

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.