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    CVE-2026-51601

    Tenda CP3 V3.0 firmware V31.1.9.91 contains a stack-based buffer overflow in the RTSP service. The device fails to validate the length of the clock= value in the Range header field when processing a PLAY request. An unauthenticated remote attacker who has completed a standard RTSP session handshake can send a PLAY request with an excessively long clock= value to cause the RTSP service to crash.

    Published:Jul 9, 2026
    Last Modified:Jul 31, 2026
    EPS:Jul 9, 2026
    EPSS Score:0.0041
    CVSS Score:7.5

    Affected Products

    Vendor
    Tenda
    Product
    Cp3

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-86153 (CVSS 9.4) — A vulnerability has been found in Tenda CP3 27.5.57.101. This affects the function CRedirServer::SetRedirectEn…
    CVE-2026-86152 (CVSS 10) — A flaw has been found in Tenda CP3 27.5.57.101. The impacted element is the function CAutoAddWifi::ThreadProc …
    CVE-2026-86151 (CVSS 9.4) — A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the …
    CVE-2026-86150 (CVSS 2) — A security vulnerability has been detected in Tenda CP3 27.5.57.101. Impacted is an unknown function of the fi…
    CVE-2026-86149 (CVSS 9.4) — A weakness has been identified in Tenda CP3 27.5.57.101. This issue affects some unknown processing of the fil…
    CVE-2026-86148 (CVSS 9.4) — A security flaw has been discovered in Tenda CP3 27.5.57.101. This vulnerability affects the function SystemAs…
    CVE-2026-19749 (CVSS 2.9) — A vulnerability was detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15…
    CVE-2026-19748 (CVSS 2.9) — A security vulnerability has been detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T…
    CVE-2026-19747 (CVSS 8.9) — A weakness has been identified in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T…
    CVE-2026-51604 (CVSS 7.5) — A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 (firmware V31.1.9.91) allows…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High