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VULNERABILITIES

CVE-2026-51606 Details

ANALYZED

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

Description

An improper input handling vulnerability in the RTSP service of Tenda CP3 V3.0 (firmware V31.1.9.91) causes the device to abruptly terminate the TCP connection with a RST packet when a request containing an oversized field value is received, without returning any RFC 2326-compliant error response. This behavior affects the request-line URL field and header field values across multiple RTSP request types.

Metrics

CVSS 3.x Severity and Vector Strings:

NDDVolerionCVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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/kkkk2222874/cve_ID_report/blob/main/Tenda_CP3_V3.0/Tenda_CP3_V3.0_5th/README.md CISA-ADPExploitTechnical Description
https://github.com/kkkk2222874/cve_ID_report/blob/main/Tenda_CP3_V3.0/Tenda_CP3_V3.0_5th/README.md [email protected]ExploitTechnical Description

Weakness Enumeration

CWE-IDCWE NameSource
CWE-20Improper Input ValidationCISA-ADP

Affected Products

ProductVersions
Tenda CP3
V31.1.9.91

CPE

  • cpe:2.3:h:tenda:cp3:*:*:*:*:*:*:*:*
  • cpe:2.3:h:tendacn:cp3:*:*:*:*:*:*:*:*
  • cpe:2.3:o:tenda:cp3_firmware:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-51606
NVD Published Date:
Jul 9, 2026
NVD Last Modified:
Jul 10, 2026
Source:
[email protected]
CVE-2026-51606 Details - Not Deferred