CVE Vulnerability

CVE-2020-9276

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.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt Third Party Advisory
https://www.dlink.com/en/security-bulletin Vendor Advisory
https://raelize.com/posts/d-link-dsl-2640b-security-advisories/ Exploit Third Party Advisory
Configurations

Configuration 1
Information

Published : 2020-04-20 11:15

Updated : 2020-04-28 08:14

NVD link : CVE-2020-9276

Mitre link : CVE-2020-9276

Products Affected
No products.
CWE
CWE-787