The COVR 3902 REVA router with firmware 1.01B0 has hardcoded telnet credentials.
ba5f94886ff6503e7b4c0cfef4f0092e*Title*: Telnet Hardcoded Credentials
*Summary*: The latest versions of the firmware have hardcoded default
credentials that can be exploited by an unauthenticated attacker to gain
privileged access to the firmware and to extract sensitive data
*Affected Firmware:* COVR-3902_REVA_ROUTER_FIRMWARE_v1.01B0
*CVE:* CVE-2018-20432
*Proof of Concept: *
Step 1: “cat ./etc/init0.d/S80telnetd.sh” to get a username
Step 2: “cat ./etc/config/image_sign” to get a password.
Username: Alphanetworks
Password: wrgac61_dlink.2015_dir883
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Cheers !!!
Team CSW Research Lab <http://www.cybersecurityworks.com>