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PatchSiren cyber security CVE debrief

CVE-2026-12174 D-Link CVE debrief

A high-severity vulnerability, CVE-2026-12174, has been detected in D-Link DCS-935L 1.10.01. The issue affects the snprintf function in the /web/cgi-bin/greece/rhea file of the HTTP Handler component. This vulnerability is caused by manipulation of the 'data' argument, leading to a format string vulnerability. The attack can be launched remotely, and the exploit has been publicly disclosed.

Vendor
D-Link
Product
DCS-935L
CVSS
HIGH 7.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-13
Original CVE updated
2026-06-16
Advisory published
2026-06-13
Advisory updated
2026-06-16

Who should care

Users of D-Link DCS-935L 1.10.01 should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability has a CVSS score of 7.4 and is classified as HIGH severity. It is related to CWE-119 and CWE-134. The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates provided by the vendor to fix the vulnerability.
  • Restrict access to the affected component to prevent remote exploitation.
  • Monitor the system for suspicious activity.

Evidence notes

The CVE record was published and modified on 2026-06-13T21:16:18.830Z. The vulnerability details were obtained from NVD and Vuldb.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12174 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12174

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

  • CVE-2026-12174 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12174

    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.