CVE-2020-35219
CWE-287Published: January 4, 2021· Updated: Jun 17, 2026
Official Description
The ASUS DSL-N17U modem with firmware 1.1.0.2 allows attackers to access the admin interface by changing the admin password without authentication via a POST request to Advanced_System_Content.asp with the uiViewTools_username=admin&uiViewTools_Password= and uiViewTools_PasswordConfirm= substrings.
Technical Analysis
CVE-2020-35219 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-287)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-35219 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts