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CVE-2025-50648 D-Link CVE debrief

A buffer overflow vulnerability exists in D-Link DI-8003 16.07.26A1 due to inadequate input validation in the /tggl.asp endpoint. The vulnerability has a CVSS score of 7.5 and is classified as HIGH. This issue may allow an attacker to execute arbitrary code. Affected users should apply patches or updates as recommended by the vendor. The vulnerability is caused by inadequate input validation in the /tggl.asp endpoint, allowing an attacker to overflow the buffer and potentially execute arbitrary code. Users of D-Link DI-8003 16.07.26A1, security teams, and operators managing this device should be aware of this vulnerability and take necessary precautions to prevent exploitation.

Vendor
D-Link
Product
DI-8003
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

Users of D-Link DI-8003 16.07.26A1, security teams, and operators managing this device should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes applying vendor patches or updates and monitoring for suspicious activity. Affected users should also review compensating controls for exposed systems and track exceptions and retest remediated assets.

Technical summary

The vulnerability is caused by inadequate input validation in the /tggl.asp endpoint of D-Link DI-8003 16.07.26A1. This allows an attacker to overflow the buffer and potentially execute arbitrary code. The CVSS score of 7.5 indicates a high severity level. The vulnerability affects D-Link DI-8003 16.07.26A1 and has been publicly disclosed. Users should verify their deployments and review vendor guidance for mitigation.

Defensive priority

High

Recommended defensive actions

  • Apply the vendor's patch or update to a fixed version
  • Limit access to the /tggl.asp endpoint
  • Monitor for suspicious activity
  • Review compensating controls for exposed systems
  • Check relevant monitoring, detection, and logs for exposed assets
  • Track exceptions and retest remediated assets
  • Confirm whether affected product deployments exist in managed environments

Evidence notes

The CVE record was published on 2026-04-08T19:24:15.570Z and was last modified on 2026-07-25T10:10:00.167Z. The NVD entry is currently Modified. This vulnerability affects D-Link DI-8003 16.07.26A1. Users should verify their deployments and review vendor guidance for mitigation. The CVE record provides details on the vulnerability, including its CVSS score and severity level.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-50648 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-50648

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

  • CVE-2025-50648 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-50648

    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.