CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
40.0%
D-Link DIR-820L devices are prone to a stack overflow
vulnerability.
# SPDX-FileCopyrightText: 2023 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/o:dlink:dir-820l_firmware";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.170595");
script_version("2023-11-21T05:05:52+0000");
script_tag(name:"last_modification", value:"2023-11-21 05:05:52 +0000 (Tue, 21 Nov 2023)");
script_tag(name:"creation_date", value:"2023-10-09 15:13:51 +0000 (Mon, 09 Oct 2023)");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2023-10-10 20:16:00 +0000 (Tue, 10 Oct 2023)");
script_tag(name:"qod_type", value:"remote_banner");
script_tag(name:"solution_type", value:"WillNotFix");
script_cve_id("CVE-2023-44807");
script_name("D-Link DIR-820L Devices Stack Overflow Vulnerability (Oct 2023)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2023 Greenbone AG");
script_family("General");
script_dependencies("gb_dlink_dir_consolidation.nasl");
script_mandatory_keys("d-link/dir/detected");
script_tag(name:"summary", value:"D-Link DIR-820L devices are prone to a stack overflow
vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"D-Link DIR-820L has a stack overflow vulnerability in the
cancelPing function.");
script_tag(name:"affected", value:"D-Link DIR-820L devices.");
script_tag(name:"solution", value:"No solution was made available by the vendor. General solution
options are to upgrade to a newer release, disable respective features, remove the product or
replace the product by another one.
Note: Vendor states that DIR-820L reached its End-of-Support Date in 01.11.2017, it is no longer
supported, and firmware development has ceased. See vendor advisory for further recommendations.");
script_xref(name:"URL", value:"https://github.com/Archerber/bug_submit/blob/main/D-Link/DIR-820l/bug2.md");
script_xref(name:"URL", value:"https://legacy.us.dlink.com/pages/product.aspx?id=00c2150966b046b58ba95d8ae3a8f73d");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if ( ! port = get_app_port( cpe:CPE ) )
exit( 0 );
if ( ! infos = get_app_version_and_location( cpe:CPE, port:port, exit_no_version:TRUE ) )
exit( 0 );
version = infos["version"];
location = infos["location"];
report = report_fixed_ver( installed_version:version, fixed_version:"None", install_path:location );
security_message( port:port, data:report );
exit( 0 );
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
40.0%