PatchSiren cyber security CVE debrief

CVE-2026-36770 Shenzhen Tenda Technology Co., Ltd CVE debrief

CVE-2026-36770 is a HIGH severity vulnerability in Shenzhen Tenda Technology Co., Ltd Tenda US_W3V1.0BR v1.0.0.3. The vulnerability is caused by a stack overflow in the Go parameter of the ask_to_reboot function, which allows attackers to cause a Denial of Service (DoS) via a crafted input. The CVSS score for this vulnerability is 7.5.

Vendor: Shenzhen Tenda Technology Co., Ltd
Product: Tenda US_W3V1.0BR v1.0.0.3
CVSS: HIGH 7.5
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-09
Original CVE updated: 2026-06-09
Advisory published: 2026-06-09
Advisory updated: 2026-06-09

Who should care

Users of Shenzhen Tenda Technology Co., Ltd Tenda US_W3V1.0BR v1.0.0.3 should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability is caused by a stack overflow in the Go parameter of the ask_to_reboot function. This allows attackers to cause a Denial of Service (DoS) via a crafted input.

Defensive priority

HIGH

Recommended defensive actions

Apply patches or updates provided by the vendor to fix the vulnerability.
Use network segmentation and isolation to limit the attack surface.
Monitor network traffic for suspicious activity.

Evidence notes

The vulnerability was discovered in Shenzhen Tenda Technology Co., Ltd Tenda US_W3V1.0BR v1.0.0.3.

Official resources

CVE-2026-36770 was published on [2026-06-09T19:17:43.440Z](https://www.cve.org/CVERecord?id=CVE-2026-36770) and modified on [2026-06-09T20:16:43.230Z](https://nvd.nist.gov/vuln/detail/CVE-2026-36770).