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Expert found a secret backdoor in Zyxel firewall and VPN

Security Affairs

Zyxel addressed a critical flaw in its firmware, tracked as CVE-2020-29583 , related to the presence of a hardcoded undocumented secret account. The Taiwanese vendor Zyxel has addressed a critical vulnerability in its firmware related to the presence of a hardcoded undocumented secret account. “Firmware version 4.60

Firewall 141
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Recently disclosed CVE-2020-29583 Zyxel flaw already under opportunistic attack

Security Affairs

Threat actors are attempting to hack Zyxel devices exploiting the recently disclosed vulnerability CVE-2020-29583, security researchers warn. The Taiwanese vendor Zyxel has recently addressed a critical vulnerability in its firmware, tracked as CVE-2020-29583 , related to the presence of a hardcoded undocumented secret account.

Firmware 116
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Some Zyxel devices can be hacked via DNS requests

Security Affairs

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. An attacker could use these credentials to log on to the APs FTP server and steal the configuration file that includes SSIDs and passwords. “An SecurityAffairs – Zyxel, hacking).

DNS 78
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Millions of Xiongmai video surveillance devices can be easily hacked via cloud feature

Security Affairs

Millions of Xiongmai video surveillance devices can be easily hacked via cloud feature, a gift for APT groups and cyber crime syndicates. Xiongmai hereinafter) that are open to hack. The “P2P Cloud” feature bypasses firewalls and effectively allows remote connections into private networks. ” continues the analysis.

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Dovecat crypto-miner is targeting QNAP NAS devices

Security Affairs

The malware targets QNAP NAS devices exposed online that use weak passwords. “According to analysis, QNAP NAS can become infected when they are connected to the Internet with weak user passwords.” “According to analysis, QNAP NAS can become infected when they are connected to the Internet with weak user passwords.”

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IoT Unravelled Part 3: Security

Troy Hunt

I also looked at custom firmware and soldering and why, to my mind, that was a path I didn't need to go down at this time. I can't blame this on the teddy bears themselves, rather the fact that the MongoDB holding all the collected data was left publicly facing without a password. IoT firmware should be self-healing.

IoT 358
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Russia-linked APT28 compromised Ubiquiti EdgeRouters to facilitate cyber operations

Security Affairs

In April 2023, FortiGuard Labs researchers observed a hacking campaign targeting Cacti ( CVE-2022-46169 ) and Realtek ( CVE-2021-35394 ) vulnerabilities to spread ShellBot and Moobot malware. The operation reversibly modified the routers’ firewall rules to block remote management access to the devices.