PatchSiren cyber security CVE debrief
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.
Sources and references
Verified primary and authoritative sources
-
CVE-2025-50671 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2025-50671
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2025-50671 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2025-50671
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.