8.1

CVE-2021-34203

Exploit

D-Link DIR-2640-US 1.01B04 is vulnerable to Incorrect Access Control. Router ac2600 (dir-2640-us), when setting PPPoE, will start quagga process in the way of whole network monitoring, and this function uses the original default password and port. An attacker can easily use telnet to log in, modify routing information, monitor the traffic of all devices under the router, hijack DNS and phishing attacks. In addition, this interface is likely to be questioned by customers as a backdoor, because the interface should not be exposed.

Data is provided by the National Vulnerability Database (NVD)
Dlink ≫ Dir-2640-us Firmware Version1.01b04
   Dlink ≫ Dir-2640-us Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.07% 0.18
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.1 2.8 5.2
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
nvd@nist.gov 4.8 6.5 4.9
AV:A/AC:L/Au:N/C:P/I:P/A:N
CWE-1188 Initialization of a Resource with an Insecure Default

The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure.

http://d-link.com
Vendor Advisory
http://dir-2640-us.com
Broken Link
URL Repurposed