ZyXEL ADSL Router Multiple Vulnerabilities (Jun 2014) - Active Check

ZyXEL ADSL Router Multiple Vulnerabilities. Remote attackers can gain privileged access, execute arbitrary commands, and access files due to lack of protection mechanisms

Source	Link
packetstormsecurity	www.packetstormsecurity.com/files/127179
seclists	www.seclists.org/fulldisclosure/2014/Jun/103

# SPDX-FileCopyrightText: 2014 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

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.804471");
  script_version("2025-08-01T15:45:48+0000");
  script_tag(name:"last_modification", value:"2025-08-01 15:45:48 +0000 (Fri, 01 Aug 2025)");
  script_tag(name:"creation_date", value:"2014-06-25 12:28:41 +0530 (Wed, 25 Jun 2014)");
  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:"qod_type", value:"remote_analysis");

  script_tag(name:"solution_type", value:"WillNotFix");

  script_name("ZyXEL ADSL Router Multiple Vulnerabilities (Jun 2014) - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2014 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_get_http_banner.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("RomPager/banner");

  script_tag(name:"summary", value:"ZyXEL ADSL Routers are prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"insight", value:"The following flaws exist:

  - The 'Forms/rpAuth_1' does not validate input to an arbitrary parameter before returning it to
  users.

  - ZyXEL contains a flaw that is due to a lack of protection mechanisms in the login form.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to trivially
  gain privileged access to the device, execute arbitrary commands and gain access to arbitrary
  files.");

  script_tag(name:"affected", value:"ZyXEL P660RT2 EE");

  script_tag(name:"solution", value:"No known solution was made available for at least one year
  since the disclosure of this vulnerability. Likely none will be provided anymore. General
  solution options are to upgrade to a newer release, disable respective features, remove the
  product or replace the product by another one.");

  script_xref(name:"URL", value:"http://packetstormsecurity.com/files/127179");
  script_xref(name:"URL", value:"http://seclists.org/fulldisclosure/2014/Jun/103");

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");

port = http_get_port(default: 80);

banner = http_get_remote_headers(port: port);

if (!banner || banner !~ "Server\s*:\s*RomPager")
  exit(0);

url = "/Forms/rpAuth_1?=%3Cbody%20onload=alert%28document.cookie%29%3E";

if (http_vuln_check(port: port, url: url, check_header: TRUE,
                    pattern: "<body onload=alert\(document\.cookie\)><", extra_check: "> Message <")) {
  report = http_report_vuln_url(port: port, url: url);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);

01 Aug 2025 00:00Current

7.3High risk

Vulners AI Score7.3