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    CVE-2022-27644

    This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloading of files via HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-15797.

    Published:Mar 29, 2023
    Last Modified:Feb 18, 2025
    EPS:Mar 29, 2023
    EPSS Score:0.00092
    CVSS Score:8.8

    Affected Products

    Vendor
    Netgear
    Product
    Cbr40
    Vendor
    Netgear
    Product
    Cbr40 Firmware
    Vendor
    Netgear
    Product
    Lbr1020
    Vendor
    Netgear
    Product
    Lbr1020 Firmware
    Vendor
    Netgear
    Product
    Lbr20
    Vendor
    Netgear
    Product
    Lbr20 Firmware
    Vendor
    Netgear
    Product
    R6400
    Vendor
    Netgear
    Product
    R6400 Firmware
    Vendor
    Netgear
    Product
    R6700
    Vendor
    Netgear
    Product
    R6700 Firmware
    Vendor
    Netgear
    Product
    R6900p
    Vendor
    Netgear
    Product
    R6900p Firmware
    Vendor
    Netgear
    Product
    R7000
    Vendor
    Netgear
    Product
    R7000 Firmware
    Vendor
    Netgear
    Product
    R7000p
    Vendor
    Netgear
    Product
    R7000p Firmware
    Vendor
    Netgear
    Product
    R7850
    Vendor
    Netgear
    Product
    R7850 Firmware
    Vendor
    Netgear
    Product
    R7960p
    Vendor
    Netgear
    Product
    R7960p Firmware
    Vendor
    Netgear
    Product
    R8000
    Vendor
    Netgear
    Product
    R8000 Firmware
    Vendor
    Netgear
    Product
    R8000p
    Vendor
    Netgear
    Product
    R8000p Firmware
    Vendor
    Netgear
    Product
    Rax200
    Vendor
    Netgear
    Product
    Rax200 Firmware
    Vendor
    Netgear
    Product
    Rax75
    Vendor
    Netgear
    Product
    Rax75 Firmware
    Vendor
    Netgear
    Product
    Rax80
    Vendor
    Netgear
    Product
    Rax80 Firmware
    Vendor
    Netgear
    Product
    Rbr10
    Vendor
    Netgear
    Product
    Rbr10 Firmware
    Vendor
    Netgear
    Product
    Rbr20
    Vendor
    Netgear
    Product
    Rbr20 Firmware
    Vendor
    Netgear
    Product
    Rbr40
    Vendor
    Netgear
    Product
    Rbr40 Firmware
    Vendor
    Netgear
    Product
    Rbr50
    Vendor
    Netgear
    Product
    Rbr50 Firmware
    Vendor
    Netgear
    Product
    Rbs10
    Vendor
    Netgear
    Product
    Rbs10 Firmware
    Vendor
    Netgear
    Product
    Rbs20
    Vendor
    Netgear
    Product
    Rbs20 Firmware
    Vendor
    Netgear
    Product
    Rbs40
    Vendor
    Netgear
    Product
    Rbs40 Firmware
    Vendor
    Netgear
    Product
    Rbs50
    Vendor
    Netgear
    Product
    Rbs50 Firmware
    Vendor
    Netgear
    Product
    Rs400
    Vendor
    Netgear
    Product
    Rs400 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

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    CVE-2023-36187 (CVSS 9.8) — Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attac…
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    CVE-2021-45504 (CVSS 9.6) — Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 befo…
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    CVE-2021-45508 (CVSS 9.6) — Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, CBR750 befo…
    CVE-2021-45509 (CVSS 9.6) — Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, RBK752 befo…
    CVE-2021-45529 (CVSS 7.3) — Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects CBR40 before …
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    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