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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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-36770 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-36770

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

  • CVE-2026-36770 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-36770

    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.