CVE Feed

    Dashboard / CVE / CVE-2021-43722

    CVE-2021-43722

    D-Link DIR-645 1.03 A1 is vulnerable to Buffer Overflow. The hnap_main function in the cgibin handler uses sprintf to format the soapaction header onto the stack and has no limit on the size.

    Published:Mar 31, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 31, 2022
    EPSS Score:0.01359
    CVSS Score:9.8

    Affected Products

    Vendor
    Dlink
    Product
    Dir-645
    Vendor
    Dlink
    Product
    Dir-645 Firmware

    Exploits

    https://github.com/luqiut/iot/blob/main/DIR-645%20Stack%20overflow.mdhttps://github.com/luqiut/iot/blob/main/DIR-645%20Stack%20overflow.md

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-10689 (CVSS 2.1) — A vulnerability was identified in D-Link DIR-645 105B01. This issue affects the function soapcgi_main of the f…
    CVE-2018-25115 (CVSS 10) — Multiple D-Link DIR-series routers, including DIR-110, DIR-412, DIR-600, DIR-610, DIR-615, DIR-645, and DIR-81…
    CVE-2025-7192 (CVSS 2.1) — A vulnerability was found in D-Link DIR-645 up to 1.05B01 and classified as critical. This issue affects the f…
    CVE-2023-36089 (CVSS 9.8) — Authentication Bypass vulnerability in D-Link DIR-645 firmware version 1.03 allows remote attackers to gain es…
    CVE-2022-46475 (CVSS 9.8) — D-Link DIR 645A1 1.06B01_Beta01 was discovered to contain a stack overflow via the service= variable in the ge…
    CVE-2022-32092 (CVSS 9.8) — D-Link DIR-645 v1.03 was discovered to contain a command injection vulnerability via the QUERY_STRING paramete…
    CVE-2020-25786 (CVSS 6.1) — webinc/js/info.php on D-Link DIR-816L 2.06.B09_BETA and DIR-803 1.04.B02 devices allows XSS via the HTTP Refer…
    CVE-2013-7471 (CVSS 9.8) — An issue was discovered in soap.cgi?service=WANIPConn1 on D-Link DIR-845 before v1.02b03, DIR-600 before v2.17…
    CVE-2015-2052 (CVSS 10) — Stack-based buffer overflow in the DIR-645 Wired/Wireless Router Rev. Ax with firmware 1.04b12 and earlier all…
    CVE-2015-2051 (CVSS 8.8) — The D-Link DIR-645 Wired/Wireless Router Rev. Ax with firmware 1.04b12 and earlier allows remote attackers to …

    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