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PatchSiren cyber security CVE debrief

CVE-2026-36785 Shenzhen Tenda Technology Co., Ltd CVE debrief

A stack overflow vulnerability was discovered in Shenzhen Tenda Technology Co., Ltd Tenda FH451 V1.0.0.9. The vulnerability is located in the page parameter of the fromDhcpListClient function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request. The vulnerability has a CVSS score of 7.5 and a severity of HIGH.

Vendor
Shenzhen Tenda Technology Co., Ltd
Product
Tenda FH451
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-07-23
Advisory published
2026-06-05
Advisory updated
2026-07-23

Who should care

Users of Shenzhen Tenda Technology Co., Ltd Tenda FH451 V1.0.0.9 should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is a stack overflow in the page parameter of the fromDhcpListClient function. This can be exploited by sending a crafted HTTP request to the affected device, potentially leading to a Denial of Service (DoS).

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates provided by the vendor to fix the vulnerability.
  • Restrict access to the affected device to only trusted networks and users.
  • Monitor network traffic for suspicious activity.

Evidence notes

The vulnerability was discovered in Shenzhen Tenda Technology Co., Ltd Tenda FH451 V1.0.0.9. The CVSS score is 7.5 with a severity of HIGH.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-36785 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-36785

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

  • CVE-2026-36785 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-36785

    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.