PatchSiren cyber security CVE debrief
CVE-2025-45057 D‑Link CVE debrief
CVE-2025-45057 is a high-severity buffer overflow vulnerability in D-Link DI-8300 v16.07.26A1. The vulnerability is caused by a buffer overflow via the ip parameter in the ip_position_asp function, which allows attackers to cause a Denial of Service (DoS) via a crafted input. The CVSS score for this vulnerability is 7.5, indicating a high severity. The CVE record was published on 2026-04-08T18:24:45.597Z and was last modified on 2026-07-25T10:10:00.167Z.
- Vendor
- D‑Link
- Product
- DI-8300
- 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 and administrators responsible for managing D-Link DI-8300 devices should be aware of this vulnerability and take necessary steps to mitigate it. This vulnerability can be exploited by attackers to cause a Denial of Service (DoS), which can have significant impacts on the availability of affected systems.
Technical summary
The vulnerability is caused by a buffer overflow in the ip_position_asp function of D-Link DI-8300 v16.07.26A1. The function does not properly validate user input, allowing attackers to inject malicious data and cause a buffer overflow. This can lead to a Denial of Service (DoS) condition, making the affected system unavailable. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating a high severity.
Defensive priority
High
Recommended defensive actions
- Review and apply vendor patches or updates to address the vulnerability
- Implement network segmentation to limit the spread of the vulnerability
- Monitor system logs for suspicious activity
- Conduct regular vulnerability assessments and penetration testing
- Consider implementing compensating controls, such as intrusion detection and prevention systems
Evidence notes
The CVE record and NVD detail provide information on the vulnerability, including its CVSS score and vector. The vendor advisory and product information are also available. However, the exact scope of affected systems and potential impact on the organization are not clear. Further investigation and risk assessment are necessary to determine the potential impact and prioritize mitigation efforts.
Sources and references
Verified primary and authoritative sources
-
CVE-2025-45057 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2025-45057
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2025-45057 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2025-45057
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.