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PatchSiren cyber security CVE debrief

CVE-2026-36813 Shenzhen Tenda Technology Co., Ltd CVE debrief

A buffer overflow vulnerability was discovered in the picCropName parameter of the formCropAndSetWewifiPic function in Tenda W15E v15.11.0.10. This HIGH severity vulnerability, with a CVSS score of 7.5, allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Vendor
Shenzhen Tenda Technology Co., Ltd
Product
Tenda W15E
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 Tenda W15E v15.11.0.10 should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability is caused by a buffer overflow in the picCropName parameter of the formCropAndSetWewifiPic 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 buffer overflow vulnerability.
  • Restrict access to the affected device and limit the exposure of the vulnerable function.
  • Monitor network traffic and system logs for suspicious activity.

Evidence notes

The vulnerability was discovered and reported through a source item from the NVD database.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-36813 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-36813

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

  • CVE-2026-36813 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-36813

    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.