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PatchSiren cyber security CVE debrief

CVE-2025-45058 D-Link CVE debrief

A high-severity buffer overflow vulnerability was discovered in D-Link DI-8300 v16.07.26A1. The vulnerability exists in the jingx_asp function and can be exploited via a crafted input, potentially leading to a Denial of Service (DoS). Security teams should review the official advisory and CVE record for affected scope, severity, and vendor guidance.

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 D-Link DI-8300 devices should be aware of this vulnerability and take necessary precautions to mitigate the risk. They should review compensating controls for exposed systems while remediation is scheduled and verified.

Technical summary

The CVE-2025-45058 vulnerability is a buffer overflow issue in the jingx_asp function of D-Link DI-8300 v16.07.26A1. This vulnerability has a CVSS score of 7.5 and is classified as HIGH severity. The vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Affected product deployments should be reviewed for exposure.

Defensive priority

High priority should be given to patching or mitigating this vulnerability, as it can be exploited to cause a Denial of Service (DoS).

Recommended defensive actions

  • Apply the vendor-provided patch or update to a fixed version of the firmware.
  • Implement network segmentation to limit the attack surface.
  • Monitor network traffic for suspicious activity.
  • Conduct regular vulnerability assessments and penetration testing.
  • Consider implementing compensating controls, such as Web Application Firewalls (WAFs).
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record was published on 2026-04-08T18:24:45.723Z and was last modified on 2026-07-25T10:10:00.167Z. The NVD entry is currently Analyzed. The vulnerability affects D-Link DI-8300 v16.07.26A1 devices. Evidence is limited to public CVE and NVD information.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-45058 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-45058

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

  • CVE-2025-45058 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-45058

    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.