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CVE-2026-36800 Shenzhen Tenda Technology Co., Ltd CVE debrief

A buffer overflow vulnerability was discovered in the IPMacBindIndex parameter of the formIPMacBindDel function in Tenda G0 v15.11.0.5. 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
G0
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 G0 v15.11.0.5 are advised to take immediate action to mitigate this vulnerability.

Technical summary

The vulnerability is caused by a buffer overflow in the IPMacBindIndex parameter of the formIPMacBindDel 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 as soon as possible.
  • Restrict access to the affected device to trusted users only.
  • Monitor the device for suspicious activity.

Evidence notes

The CVE record for CVE-2026-36800 was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-36800). The vulnerability details were obtained from [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-36800). Additional information can be found at [ref-4](https://github.com/xhh0124/SemVulLLM/tree/main/G0/formIPMacBindDel).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-36800 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-36800

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

  • CVE-2026-36800 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-36800

    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.