CVE-2025-50646 D‑Link CVE debrief

Who should care

Users of D-Link DI-8003 16.07.26A1, security teams, and operators managing this device should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes reviewing vendor guidance and applying patches or mitigations as available.

Technical summary

The vulnerability is caused by insufficient input validation on the name parameter in the /qos_type_asp.asp endpoint of D-Link DI-8003 16.07.26A1. This allows an attacker to overflow the buffer and potentially execute arbitrary code. The vulnerability has a CVSS score of 7.5 and is classified as HIGH severity. Users of D-Link DI-8003 16.07.26A1 should verify their deployments and review vendor guidance for mitigation. This issue may allow an attacker to execute arbitrary code. Affected users should apply patches or updates as available and monitor for suspicious activity.

Defensive priority

High

Recommended defensive actions

• Apply the vendor's security patch or update to a fixed version
• Limit access to the /qos_type_asp.asp endpoint
• Monitor for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-04-08T19:24:15.347Z and was last modified on 2026-07-25T10:10:00.167Z. The NVD entry is currently Modified. This vulnerability affects D-Link DI-8003 16.07.26A1. Users should verify their deployments and review vendor guidance for mitigation.

Official resources