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    CVE-2021-34201

    D-Link DIR-2640-US 1.01B04 is vulnerable to Buffer Overflow. There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640). Local ordinary users can overwrite the global variables in the .bss section, causing the process crashes or changes.

    Published:Jun 16, 2021
    Last Modified:Nov 21, 2024
    EPS:Jun 16, 2021
    EPSS Score:0.00057
    CVSS Score:7.1

    Affected Products

    Vendor
    Dlink
    Product
    Dir-2640-us
    Vendor
    Dlink
    Product
    Dir-2640-us Firmware

    Exploits

    https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2021-20134 (CVSS 8.4) — Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 are affected by an absolute path trav…
    CVE-2021-20133 (CVSS 6.1) — Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 are affected by an absolute path trav…
    CVE-2021-20132 (CVSS 8.8) — Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, w…
    CVE-2021-34204 (CVSS 6.8) — D-Link DIR-2640-US 1.01B04 is affected by Insufficiently Protected Credentials. D-Link AC2600(DIR-2640) stores…
    CVE-2021-34203 (CVSS 8.1) — D-Link DIR-2640-US 1.01B04 is vulnerable to Incorrect Access Control. Router ac2600 (dir-2640-us), when settin…
    CVE-2021-34202 (CVSS 7.8) — There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640) 1.01B04. Ordinar…

    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