Firmware Update Vulnerability in D-Link DSL-2640B Devices
CVE-2020-9544

7.5HIGH

Key Information:

Vendor

D-link
Status
Dsl-2640b Firmware
Vendor
CVE Published:
5 March 2020

What is CVE-2020-9544?

A vulnerability exists in the administrative interface of D-Link DSL-2640B E1 EU_1.01 devices, where insufficient authentication checks allow unauthorized users to submit firmware-update POST requests. This flaw enables attackers with access to the admin interface to install arbitrary firmware, potentially compromising the device's integrity and security. Proper authentication mechanisms should be enforced to mitigate this risk and ensure that only authorized personnel can execute firmware updates.

References

https://www.dlink.com/en/security-bulletin
x_refsource_MISC
https://ktln2.org/2020/03/05/cve-2020-9544/
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.