Improper Authentication in DSL-2640B - CVE-2020-9277

 

Improper Authentication in DSL-2640B - CVE-2020-9277

Published: April 21, 2020


Vulnerability identifier: #VU27059
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-9277
CWE-ID: CWE-287
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: D-Link
Affected software:
DSL-2640B

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when accessing cgi modules. A remote attacker on the local network can bypass authentication process and perform administrative tasks.

This vulnerability affects devices with the following versions:
  • Hardware version: B2
  • Firmware version: ver.4.01

How to mitigate CVE-2020-9277

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources