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VULNERABILITIES

CVE-2026-36779 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.5(4180) was discovered to contain multiple stack overflows in the fromVirtualSer function via the puVar2, puVar1, __s2, __s1_00, and puVar3 parameters. These vulnerabilities allow attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/xhh0124/SemVulLLM/tree/main/O3/fromVirtualSer CISA-ADPExploitTechnical Analysis
https://github.com/xhh0124/SemVulLLM/tree/main/O3/fromVirtualSer [email protected]ExploitTechnical Analysis

Weakness Enumeration

CWE-IDCWE NameSource
CWE-121Stack-based Buffer OverflowCISA-ADP

Affected Products

ProductVersions
Shenzhen Tenda Technology Tenda O3
1.0.0.5(4180)

CPE

  • cpe:2.3:o:tenda:o3_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:tenda:o3:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-36779
NVD Published Date:
Jun 9, 2026
NVD Last Modified:
Jul 23, 2026
Source:
[email protected]
CVE-2026-36779 Details - Not Deferred