Unrated severityNVD Advisory· Published Jul 9, 2026· Updated Jul 9, 2026

CVE-2026-51606

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.

Affected products

Tenda/CP3llm-fuzzy
Range: V3.0 firmware V31.1.9.91

Patches

Vulnerability mechanics

References

github.com/kkkk2222874/cve_ID_report/blob/main/Tenda_CP3_V3.0/Tenda_CP3_V3.0_5th/README.mdmitre

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