CVE Feed

    Dashboard / CVE / CVE-2023-44420

    CVE-2023-44420

    D-Link DIR-X3260 prog.cgi Incorrect Implementation of Authentication Algorithm Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-X3260 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the prog.cgi executable. The issue results from an incorrect implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the device. Was ZDI-CAN-21100.

    Published:May 3, 2024
    Last Modified:May 13, 2025
    EPS:May 3, 2024
    EPSS Score:0.00115
    CVSS Score:8.8

    Affected Products

    Vendor
    Dlink
    Product
    Dir-x3260
    Vendor
    Dlink
    Product
    Dir-x3260 Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-90 Reflection Attack in Authentication Protocol

    Related CVEs

    CVE-2023-51623 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetAPClientSettings Stack-based Buffer Overflow Remote Code Execution Vulnerability.…
    CVE-2023-51622 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetTriggerPPPoEValidate Stack-based Buffer Overflow Remote Code Execution Vulnerabil…
    CVE-2023-51621 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetDeviceSettings Stack-based Buffer Overflow Remote Code Execution Vulnerability. T…
    CVE-2023-51620 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetIPv6PppoeSettings Stack-based Buffer Overflow Remote Code Execution Vulnerability…
    CVE-2023-51619 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetMyDLinkRegistration Stack-based Buffer Overflow Remote Code Execution Vulnerabili…
    CVE-2023-51618 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetWLanRadioSecurity Stack-Based Buffer Overflow Remote Code Execution Vulnerability…
    CVE-2023-51617 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetWanSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This…
    CVE-2023-51616 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetSysEmailSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability.…
    CVE-2023-51615 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetQuickVPNSettings PSK Stack-Based Buffer Overflow Remote Code Execution Vulnerabil…
    CVE-2023-51614 (CVSS 6.8) — D-Link DIR-X3260 prog.cgi SetQuickVPNSettings Password Stack-Based Buffer Overflow Remote Code Execution Vulne…

    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