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    CVE-2023-27989

    A buffer overflow vulnerability in the CGI program of the Zyxel NR7101 firmware versions prior to V1.00(ABUV.8)C0 could allow a remote authenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

    Published:Jun 5, 2023
    Last Modified:Jan 8, 2025
    EPS:Jun 5, 2023
    EPSS Score:0.00379
    CVSS Score:6.5

    Affected Products

    Vendor
    Zyxel
    Product
    Lte7480-m804
    Vendor
    Zyxel
    Product
    Lte7480-m804 Firmware
    Vendor
    Zyxel
    Product
    Lte7490-m904
    Vendor
    Zyxel
    Product
    Lte7490-m904 Firmware
    Vendor
    Zyxel
    Product
    Nebula Nr7101
    Vendor
    Zyxel
    Product
    Nebula Nr7101 Firmware
    Vendor
    Zyxel
    Product
    Nr7101
    Vendor
    Zyxel
    Product
    Nr7101 Firmware

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2024-0816 (CVSS 5.5) — The buffer overflow vulnerability in the DX3300-T1 firmware version V5.50(ABVY.4)C0 could allow an authenticat…
    CVE-2022-43392 (CVSS 6.5) — A buffer overflow vulnerability in the parameter of web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)…
    CVE-2022-43391 (CVSS 6.5) — A buffer overflow vulnerability in the parameter of the CGI program in Zyxel NR7101 firmware prior to V1.15(AC…
    CVE-2022-43389 (CVSS 8.6) — A buffer overflow vulnerability in the library of the web server in Zyxel NR7101 firmware prior to V1.15(ACCC.…
    CVE-2022-43390 (CVSS 5.4) — A command injection vulnerability in the CGI program of Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which …
    CVE-2021-35036 (CVSS 6.5) — A cleartext storage of information vulnerability in the Zyxel VMG3625-T50B firmware version V5.50(ABTL.0)b2k c…

    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