#VU27057 Improper access control in DSL-2640B - CVE-2020-9278
Published: April 21, 2020
Vulnerability identifier: #VU27057
Vulnerability risk: Low
CVSSv4.0: 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-2020-9278
CWE-ID: CWE-284
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
DSL-2640B
DSL-2640B
Software vendor:
D-Link
D-Link
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in "rebootinfo.cgi", "ppppasswordinfo.cgi", "qosqueue.cmd?action=savReboot" and "restoreinfo.cgi" URLs. A remote attacker on the local network can access a specific URL, bypass implemented security restrictions and reset the device to its default configuration.
This vulnerability affects devices with the following versions:
- Hardware version: B2
- Firmware version: ver.4.01
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.