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PatchSiren cyber security CVE debrief

CVE-2025-50649 D‑Link CVE debrief

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper input validation in the vlan_name parameter in the /shut_set.asp endpoint. The vulnerability has a CVSS score of 7.5 and is classified as HIGH severity. This vulnerability could allow an attacker to execute arbitrary code on the device. Users of D-Link DI-8003 16.07.26A1 should be aware of this vulnerability and take necessary precautions to prevent exploitation.

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

Users of D-Link DI-8003 16.07.26A1 should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes applying the vendor's security patch or update to a fixed version, limiting access to the /shut_set.asp endpoint, and monitoring for suspicious activity on the device. System administrators and security teams responsible for managing D-Link DI-8003 16.07.26A1 devices should prioritize patching and mitigation efforts.

Technical summary

The vulnerability exists due to improper input validation in the vlan_name parameter in the /shut_set.asp endpoint of D-Link DI-8003 16.07.26A1. This could allow an attacker to execute arbitrary code on the device. The vulnerability has a CVSS score of 7.5 and is classified as HIGH severity. The CVE record was published on 2026-04-08T19:24:15.687Z and was last modified on 2026-07-25T10:10:00.167Z.

Defensive priority

High

Recommended defensive actions

  • Apply the vendor's security patch or update to a fixed version
  • Limit access to the /shut_set.asp endpoint
  • Monitor for suspicious activity on the device
  • 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 2026-04-08T19:24:15.687Z and was last modified on 2026-07-25T10:10:00.167Z. The NVD entry is currently Modified. This information is based on the NVD entry and CVE record. The vulnerability affects D-Link DI-8003 16.07.26A1. Users should verify their systems and apply patches or mitigations as recommended by the vendor.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-50649 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-50649

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

  • CVE-2025-50649 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-50649

    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.