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CVE-2025-50671 D‑Link CVE debrief

CVE-2025-50671 is a HIGH severity vulnerability in D-Link DI-8003 16.07.26A1. The vulnerability exists due to improper handling of parameters in the /xwgl_ref.asp endpoint, allowing for a buffer overflow. An attacker can exploit this vulnerability by sending a crafted HTTP GET request with excessively long strings in parameters. This vulnerability has a high CVSS score of 7.5, indicating a significant risk to affected systems.

Vendor
D‑Link
Product
DI-8003 16.07.26A1
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

Administrators and users of D-Link DI-8003 16.07.26A1 should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes reviewing system configurations, monitoring network traffic, and applying patches or updates as available. Vulnerability management and security teams should prioritize patching or mitigating this vulnerability due to its high severity and potential impact.

Technical summary

The vulnerability exists in the /xwgl_ref.asp endpoint of D-Link DI-8003 16.07.26A1 due to improper handling of parameters. An attacker can exploit this vulnerability by sending a crafted HTTP GET request with excessively long strings in parameters name, en, user_id, shibie_name, time, act, log, and rpri. This can lead to a buffer overflow, potentially allowing for remote code execution. The vulnerability has a high CVSS score of 7.5, indicating a significant risk to affected systems.

Defensive priority

High priority should be given to patching or mitigating this vulnerability, as it has a high CVSS score of 7.5 and is publicly known.

Recommended defensive actions

  • Apply the vendor patch or update to a fixed version of the firmware.
  • Implement network segmentation to limit the attack surface.
  • Monitor network traffic for suspicious activity.
  • Use a web application firewall to detect and prevent exploitation attempts.
  • Conduct regular vulnerability assessments and penetration testing.
  • Review system configurations and ensure proper security controls are in place.
  • Track exceptions and retest remediated assets to ensure vulnerability closure.

Evidence notes

The CVE record was published on 2026-04-08T19:24:17.803Z and was last modified on 2026-07-25T11:10:00.100Z. The NVD entry is currently Analyzed. Evidence is limited to public sources and may not reflect the full scope of affected systems or potential impacts. Defenders should verify the vulnerability's relevance to their specific environments.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-04-08T19:24:17.803Z and has not been modified since then. The NVD entry is currently Analyzed.