CVE-2021-20132 Hardcoded credentials in Quagga Services on D-Link DIR-2640 Routers
Remote attackers can use hard-coded credentials to gain root administrative access to D-Link DIR-2640 routers via Quagga services.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-20132?
CVE-2021-20132 is a high-severity vulnerability in Quagga Services on D-Link DIR-2640 Routers, published on 30 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd those services. Both are running with root privileges on the router (i.e., as the "admin" user, UID 0).
Weakness: CWE-798
Which versions are affected by CVE-2021-20132?
It affects 1 product.
Products include Dlink Dir-2640-Us Firmware.
How do I fix CVE-2021-20132?
No fix has been published for CVE-2021-20132 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20132 being exploited?
There is no known exploitation of CVE-2021-20132 in the wild and no public exploit code.
Other vulnerabilities in Quagga Services on D-Link DIR-2640 Routers
Sources
Also known as GHSA-8v3c-9hr5-hqm7.