Vulnerabilities > CVE-2020-9276 - Out-of-bounds Write vulnerability in Dlink Dsl-2640B Firmware Eu4.01B
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices. The function do_cgi(), which processes cgi requests supplied to the device's web servers, is vulnerable to a remotely exploitable stack-based buffer overflow. Unauthenticated exploitation is possible by combining this vulnerability with CVE-2020-9277.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 1 | |
| Hardware | 1 |
Common Weakness Enumeration (CWE)
References
- https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt
- https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt
- https://raelize.com/posts/d-link-dsl-2640b-security-advisories/
- https://raelize.com/posts/d-link-dsl-2640b-security-advisories/
- https://www.dlink.com/en/security-bulletin
- https://www.dlink.com/en/security-bulletin