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CVE-2026-36802 Shenzhen Tenda Technology Co., Ltd CVE debrief

A buffer overflow vulnerability was discovered in Shenzhen Tenda Technology Co., Ltd Tenda PW201A v1.0.5. The vulnerability is located in the page parameter of the SafeMacFilter function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 7.5, indicating a HIGH severity.

Vendor
Shenzhen Tenda Technology Co., Ltd
Product
Tenda PW201A
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-10
Advisory published
2026-06-09
Advisory updated
2026-06-10

Who should care

Administrators and users of Shenzhen Tenda Technology Co., Ltd Tenda PW201A v1.0.5 should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by a buffer overflow in the page parameter of the SafeMacFilter function. This allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Defensive priority

HIGH

Recommended defensive actions

  • Update to the latest version of Tenda PW201A if available.
  • Limit access to the affected system.
  • Monitor network traffic for suspicious activity.

Evidence notes

The vulnerability was discovered in Shenzhen Tenda Technology Co., Ltd Tenda PW201A v1.0.5.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-36802 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-36802

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

  • CVE-2026-36802 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-36802

    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.