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PatchSiren cyber security CVE debrief

CVE-2025-26238 D-Link CVE debrief

CVE-2025-26238 is a high-severity vulnerability in D-Link DI-8100G 17.12.20A1. The flag parameter in msp_info can be exploited to execute arbitrary code. Defenders should assess exposure, prioritize remediation, and verify affected versions and vendor remediation. This vulnerability allows for arbitrary code execution, which can lead to significant operational impacts. Defenders should verify affected versions of D-Link DI-8100G, assess exposure to CVE-2025-26238, and prioritize remediation of CVE-2025-26238. The CVE record and NVD entry provide limited information about CVE-2025-26238. Further verification is required to determine affected versions and vendor remediation.

Vendor
D-Link
Product
DI-8100G
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-24
Original CVE updated
2026-09-29
Advisory published
2026-08-24
Advisory updated
2026-09-29

Who should care

Defenders and security teams responsible for D-Link DI-8100G 17.12.20A1 devices should assess exposure and prioritize remediation of CVE-2025-26238.

Why it matters

CVE-2025-26238 is a high-severity vulnerability in D-Link DI-8100G 17.12.20A1 that allows arbitrary code execution. Defenders should assess exposure, prioritize remediation, and verify affected versions and vendor remediation.

  • Verify affected versions of D-Link DI-8100G
  • Assess exposure to CVE-2025-26238
  • Prioritize remediation of CVE-2025-26238

Technical summary

CVE-2025-26238 is a high-severity vulnerability in D-Link DI-8100G 17.12.20A1. The flag parameter in msp_info can be exploited to execute arbitrary code. This vulnerability is caused by a lack of proper input validation in the msp_info parameter, allowing attackers to execute arbitrary code. Defenders should prioritize verifying affected versions and assessing exposure to CVE-2025-26238, as it allows for arbitrary code execution.

Defensive priority

Defenders should prioritize verifying affected versions and assessing exposure to CVE-2025-26238, as it allows for arbitrary code execution.

Recommended defensive actions

  • Verify affected versions of D-Link DI-8100G
  • Assess exposure to CVE-2025-26238
  • Prioritize remediation of CVE-2025-26238

Evidence notes

The CVE record and NVD entry provide limited information about CVE-2025-26238. Further verification is required to determine affected versions and vendor remediation.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-26238 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-26238

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

  • CVE-2025-26238 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-26238

    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.