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    CVE-2026-30603

    An issue in the firmware update mechanism of Qianniao QN-L23PA0904 v20250721.1640 allows attackers to gain root access, install backdoors, and exfiltrate data via supplying a crafted iu.sh script contained in an SD card.

    Published:Apr 2, 2026
    Last Modified:Apr 3, 2026
    EPS:Apr 2, 2026
    EPSS Score:0.00008
    CVSS Score:6.8

    Affected Products

    Vendor
    Qianniao
    Product
    Qn-l23pa0904

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-111 JSON Hijacking (aka JavaScript Hijacking)
    CAPEC-141 Cache Poisoning
    CAPEC-142 DNS Cache Poisoning
    CAPEC-148 Content Spoofing
    CAPEC-184 Software Integrity Attack
    CAPEC-185 Malicious Software Download
    CAPEC-186 Malicious Software Update
    CAPEC-187 Malicious Automated Software Update via Redirection
    CAPEC-218 Spoofing of UDDI/ebXML Messages
    CAPEC-384 Application API Message Manipulation via Man-in-the-Middle
    CAPEC-385 Transaction or Event Tampering via Application API Manipulation
    CAPEC-386 Application API Navigation Remapping
    CAPEC-387 Navigation Remapping To Propagate Malicious Content
    CAPEC-388 Application API Button Hijacking
    CAPEC-533 Malicious Manual Software Update
    CAPEC-538 Open-Source Library Manipulation
    CAPEC-657 Malicious Automated Software Update via Spoofing
    CAPEC-662 Adversary in the Browser (AiTB)
    CAPEC-665 Exploitation of Thunderbolt Protection Flaws
    CAPEC-691 Spoof Open-Source Software Metadata
    CAPEC-692 Spoof Version Control System Commit Metadata
    CAPEC-693 StarJacking
    CAPEC-695 Repo Jacking
    CAPEC-701 Browser in the Middle (BiTM)

    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