CVE-2020-17409 : Exploit Details and Defense Strategies
Learn about CVE-2020-17409, a vulnerability in NETGEAR routers allowing unauthorized disclosure of sensitive information. Find mitigation steps and long-term security practices.
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of NETGEAR routers with firmware 1.0.66.
Understanding CVE-2020-17409
This CVE identifies a security flaw in NETGEAR routers that can be exploited by attackers to reveal confidential data without authentication.
What is CVE-2020-17409?
The vulnerability in NETGEAR routers with firmware 1.0.66 enables attackers to access protected pages and extract stored credentials without the need for authentication.
The Impact of CVE-2020-17409
The vulnerability poses a medium-severity risk with high confidentiality impact, allowing attackers to potentially compromise sensitive information stored on the affected routers.
Technical Details of CVE-2020-17409
This section provides detailed technical insights into the CVE.
Vulnerability Description
The flaw exists within the mini_httpd service of NETGEAR routers, which operates on TCP port 80 by default. It stems from incorrect string matching logic when accessing protected pages, enabling unauthorized disclosure of credentials.
Affected Systems and Versions
- Product: Multiple Routers
- Vendor: NETGEAR
- Versions Affected: 1.0.66
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Mitigation and Prevention
Protecting against and addressing the CVE-2020-17409 vulnerability.
Immediate Steps to Take
- Update affected routers to the latest firmware version provided by NETGEAR.
- Monitor network traffic for any suspicious activities.
- Implement strong network security measures.
Long-Term Security Practices
- Regularly check for firmware updates and apply them promptly.
- Conduct security audits to identify and address potential vulnerabilities.
Patching and Updates
- Stay informed about security advisories from NETGEAR.
- Apply patches and updates as soon as they are released to mitigate known vulnerabilities.