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    CVE-2022-30521

    The LAN-side Web-Configuration Interface has Stack-based Buffer Overflow vulnerability in the D-Link Wi-Fi router firmware DIR-890L DIR890LA1_FW107b09.bin and previous versions. The function created at 0x17958 of /htdocs/cgibin will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users easily. The attackers can exploit the vulnerability to carry out arbitrary code by means of sending a specially constructed payload to port 49152.

    Published:May 27, 2022
    Last Modified:Nov 21, 2024
    EPS:May 27, 2022
    EPSS Score:0.07448
    CVSS Score:9.8

    Affected Products

    Vendor
    Dlink
    Product
    Dir-890l
    Vendor
    Dlink
    Product
    Dir-890l Firmware

    Exploits

    https://github.com/winmt/CVE/blob/main/DIR-890L/README.mdhttps://github.com/winmt/CVE/blob/main/DIR-890L/README.md

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2025-8231 (CVSS 5.2) — A vulnerability, which was classified as critical, has been found in D-Link DIR-890L up to 111b04. This issue …
    CVE-2025-4340 (CVSS 5.3) — A vulnerability classified as critical has been found in D-Link DIR-890L and DIR-806A1 up to 100CNb11/108B03. …
    CVE-2023-30063 (CVSS 7.5) — D-Link DIR-890L FW1.10 A1 is vulnerable to Authentication bypass.…
    CVE-2022-29778 (CVSS 8.8) — D-Link DIR-890L 1.20b01 allows attackers to execute arbitrary code due to the hardcoded option Wake-On-Lan for…
    CVE-2019-20213 (CVSS 7.5) — D-Link DIR-859 routers before v1.07b03_beta allow Unauthenticated Information Disclosure via the AUTHORIZED_GR…
    CVE-2019-17621 (CVSS 9.8) — The UPnP endpoint URL /gena.cgi in the D-Link DIR-859 Wi-Fi router 1.05 and 1.06B01 Beta01 allows an Unauthent…
    CVE-2017-14948 (CVSS 9.8) — Certain D-Link products are affected by: Buffer Overflow. This affects DIR-880L 1.08B04 and DIR-895 L/R 1.13b0…
    CVE-2016-6563 (CVSS 9.8) — Processing malformed SOAP messages when performing the HNAP Login action causes a buffer overflow in the stack…
    CVE-2018-12103 (CVSS 6.5) — An issue was discovered on D-Link DIR-890L with firmware 1.21B02beta01 and earlier, DIR-885L/R with firmware 1…
    CVE-2016-5681 (CVSS 9.8) — Stack-based buffer overflow in dws/api/Login on D-Link DIR-850L B1 2.07 before 2.07WWB05, DIR-817 Ax, DIR-818L…

    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