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    CVE-2026-76852

    Netcore NR268 firmware version 1.7.121109 has an improper integrity verification flaw in mtd_write allowing forged firmware authenticity checks. Attackers can exploit put_file.cgi and check_image_uuid.c to bypass firmware signature validation and load unauthorized firmware images.

    Published:Sep 15, 2026
    Last Modified:Sep 17, 2026
    EPS:Sep 15, 2026
    EPSS Score:0.00231
    CVSS Score:8.8

    Affected Products

    Vendor
    Netcore
    Product
    Nr268

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-108932 (CVSS 2.1) — A vulnerability was determined in Netcore NR268 1.7.121109. This impacts the function eval of the file filter_…
    CVE-2026-108931 (CVSS 2.1) — A vulnerability was found in Netcore NR268 1.7.121109. This affects the function eval of the file dhcp_dynamic…
    CVE-2026-108930 (CVSS 2) — A vulnerability has been found in Netcore NR268 1.7.121109. The impacted element is the function ddns_wan_list…
    CVE-2026-108929 (CVSS 9.4) — A flaw has been found in Netcore NR268 1.7.121109. The affected element is the function execvp of the file /ro…
    CVE-2026-108909 (CVSS 2.1) — A security flaw has been discovered in Netcore NR268 1.7.121109. Affected by this issue is some unknown functi…
    CVE-2026-108908 (CVSS 1.9) — A vulnerability was identified in Netcore NR268 1.7.121109. Affected by this vulnerability is the function eva…
    CVE-2026-108907 (CVSS 9.3) — A vulnerability was determined in Netcore NR268 1.7.121109. Affected is the function user_ok of the component …
    CVE-2026-108906 (CVSS 7.3) — A vulnerability has been found in Netcore NR268 1.7.121109. This affects the function filter_arp_put_file_cgi …
    CVE-2026-76853 (CVSS 7.2) — Netcore NR268 firmware version 1.7.121109 contains a security check bypass vulnerability in the parame_put_fil…

    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