Authentication Bypass Vulnerability in D-Link DSL-2640B by D-Link
CVE-2020-9277

9.8CRITICAL

Key Information:

Vendor

D-Link
Status
Dsl-2640b Firmware
Vendor
CVE Published:
20 April 2020

What is CVE-2020-9277?

A vulnerability has been identified in D-Link DSL-2640B B2 EU_4.01B devices that allows an attacker to bypass authentication when accessing various cgi modules. This significant security flaw enables unauthorized users to perform administrative tasks such as changing the admin password without the need for proper authentication. These exploits can compromise the integrity and security of the device, potentially leading to larger network security issues.

References

https://www.dlink.com/en/security-bulletin
x_refsource_MISC
https://raelize.com/posts/d-link-dsl-2640b-security-advis...
x_refsource_MISC
https://raelize.com/advisories/CVE-2020-9277_D-Link-DSL-2...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.