PatchSiren cyber security CVE debrief

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).

Official resources

CVE-2026-36800 was published on 2026-06-09T19:17:45.630Z and modified on 2026-06-10T19:16:35.180Z.