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    CVE-2021-29296

    Null Pointer Dereference vulnerability in D-Link DIR-825 2.10b02, which could let a remote malicious user cause a denial of service. The vulnerability could be triggered by sending an HTTP request with URL /vct_wan; the sbin/httpd would invoke the strchr function and take NULL as a first argument, which finally leads to the segmentation fault. NOTE: The DIR-825 and all hardware revisions is considered End of Life and as such this issue will not be patched

    Published:Aug 10, 2021
    Last Modified:Nov 21, 2024
    EPS:Aug 10, 2021
    EPSS Score:0.00263
    CVSS Score:7.5

    Affected Products

    Vendor
    Dlink
    Product
    Dir-825
    Vendor
    Dlink
    Product
    Dir-825 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-7069 (CVSS 7.3) — A security flaw has been discovered in D-Link DIR-825 up to 3.00b32. This impacts the function AddPortMapping …
    CVE-2026-7068 (CVSS 7.4) — A vulnerability was identified in D-Link DIR-825 3.00b32. This affects the function NMBD_process of the file s…
    CVE-2025-10666 (CVSS 7.4) — A security flaw has been discovered in D-Link DIR-825 up to 2.10. Affected by this vulnerability is the functi…
    CVE-2025-10034 (CVSS 7.4) — A vulnerability was found in D-Link DIR-825 1.08.01. This impacts the function get_ping6_app_stat of the file …
    CVE-2025-8949 (CVSS 7.3) — A vulnerability was identified in D-Link DIR-825 2.10. Affected by this vulnerability is the function get_ping…
    CVE-2025-7206 (CVSS 8.9) — A vulnerability, which was classified as critical, has been found in D-Link DIR-825 2.10. This issue affects t…
    CVE-2025-6292 (CVSS 7.4) — A vulnerability has been found in D-Link DIR-825 2.03 and classified as critical. This vulnerability affects t…
    CVE-2025-6291 (CVSS 7.4) — A vulnerability, which was classified as critical, was found in D-Link DIR-825 2.03. This affects the function…
    CVE-2024-57595 (CVSS 9.8) — DLINK DIR-825 REVB 2.03 devices have an OS command injection vulnerability in the CGl interface apc_client_pin…
    CVE-2024-0717 (CVSS 5.3) — A vulnerability classified as critical was found in D-Link DAP-1360, DIR-300, DIR-615, DIR-615GF, DIR-615S, DI…

    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