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PatchSiren cyber security CVE debrief

CVE-2026-36772 Shenzhen Tenda Technology Co., Ltd CVE debrief

A stack overflow vulnerability was discovered in the Tenda W3 Wireless Router v1.0.0.3(2204) in the wl_radio parameter of the formwrlSSIDget function. This allows attackers to cause a Denial of Service (DoS) via a crafted input. The vulnerability has a CVSS score of 6.5 and a severity of MEDIUM.

Vendor
Shenzhen Tenda Technology Co., Ltd
Product
Tenda W3 Wireless Router
CVSS
MEDIUM 6.5
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

Users of Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.3(2204) should be aware of this vulnerability and take necessary precautions.

Technical summary

The vulnerability is caused by a stack overflow in the wl_radio parameter of the formwrlSSIDget function. This can be exploited by attackers to cause a Denial of Service (DoS).

Defensive priority

MEDIUM

Recommended defensive actions

  • Update to a patched version of the Tenda W3 Wireless Router if available.
  • Limit access to the router's management interface.
  • Monitor for suspicious activity.

Evidence notes

The vulnerability was discovered and reported by an unknown source.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-36772 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-36772

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

  • CVE-2026-36772 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-36772

    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.