PT-2021-11733 · Asus · Asus Dsl-N17U

Published 2021-01-04 · Updated 2021-07-21 · CVE-2020-35219

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: ASUS DSL-N17U modem version 1.1.0.2

Description: The issue allows attackers to access the admin interface without authentication by changing the admin password. This is achieved through a POST request to "Advanced System Content.asp" with specific substrings, including uiViewTools username, uiViewTools Password, and uiViewTools PasswordConfirm.

Recommendations: For version 1.1.0.2, as a temporary workaround, consider restricting access to the "Advanced System Content.asp" endpoint until a patch is available. Avoid using the uiViewTools username, uiViewTools Password, and uiViewTools PasswordConfirm substrings in the affected POST request until the issue is resolved.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2020-35219

Affected Products

Asus Dsl-N17U

References · 4

• https://osv.dev/vulnerability/CVE-2020-35219 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-35219 · Security Note
• https://asus.com/Networking-IoT-Servers/Modem-LTE-Routers/All-series/DSL-N16/HelpDesk_BIOS · Vendor Advisory
• https://securityforeveryone.com/blog/asus-dsl-n17u-model-cve-2020-35219 · Note