PatchSiren cyber security CVE debrief
CVE-2025-50663 D-Link CVE debrief
A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to improper handling of the name parameter in the /usb_paswd.asp endpoint. This HIGH severity vulnerability, with a CVSS score of 7.5, poses a significant risk to organizations using the affected device. The vulnerability's impact is primarily related to potential remote code execution or denial-of-service attacks. Security teams should assess their exposure and prioritize mitigation efforts.
- 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
Security teams responsible for D-Link DI-8003 devices should assess and mitigate this HIGH severity vulnerability. Additionally, IT teams managing network infrastructure and device administrators should be aware of the potential risks and take necessary precautions. Organizations using the affected device should prioritize patching or implementing compensating controls to minimize the risk of exploitation.
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 name parameter in the /usb_paswd.asp endpoint of D-Link DI-8003 16.07.26A1. The CVE record indicates that the vulnerability has not been modified since its publication on 2026-04-08T19:24:16.920Z. The technical impact of this vulnerability is related to potential buffer overflow attacks, which could lead to remote code execution or denial-of-service conditions.
Defensive priority
High priority should be given to patching or mitigating this vulnerability due to its HIGH severity and potential impact on network security.
Recommended defensive actions
- Inventory and assess D-Link DI-8003 devices for exposure
- Apply vendor patches or updates if available
- Implement compensating controls such as network segmentation or access restrictions
- Monitor for suspicious activity related to the /usb_paswd.asp endpoint
- Review and update incident response plans to address potential buffer overflow attacks
- Conduct vulnerability scanning and penetration testing to identify potential weaknesses
- Develop and implement a remediation plan for exposed systems
Evidence notes
The CVE record and NVD detail provide official information about the vulnerability. However, additional information about affected scope and vendor remediation is limited. Security teams should verify the vulnerability's impact on their specific environments and review vendor documentation for potential patches or workarounds. The lack of detailed information about affected products or versions may hinder thorough risk assessment and mitigation efforts.
Sources and references
Verified primary and authoritative sources
-
CVE-2025-50663 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2025-50663
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2025-50663 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2025-50663
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Mitigation or vendor reference
Unverified legacy reference
URL: https://github.com/xiaotea/iot-vulnerability-collection/blob/main/README.md
[email protected] - Third Party Advisory
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Mitigation or vendor reference
Unverified legacy reference
URL: https://www.dlink.com/en/security-bulletin/
[email protected] - Vendor Advisory
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.