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Multiple DDoS botnets were observed targeting Zyxel devices

Security Affairs

Researchers warn of several DDoS botnets exploiting a critical flaw tracked as CVE-2023-28771 in Zyxel devices. Fortinet FortiGuard Labs researchers warned of multiple DDoS botnets exploiting a vulnerability impacting multiple Zyxel firewalls. through 4.73, VPN series firmware versions 4.60 through 5.35.

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Yandex is under the largest DDoS attack in the history of Runet

Security Affairs

The Russian internet service provider Yandex is under a massive distributed denial-of-service (DDoS) attack that began last week. The record magnitude of the massive DDoS attack was also confirmed by the US company Cloudflare, which specializes in the protection against such kinds of attacks.

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InfectedSlurs botnet targets QNAP VioStor NVR vulnerability

Security Affairs

In November, Akamai warned of a new Mirai -based DDoS botnet, named InfectedSlurs , actively exploiting two zero-day vulnerabilities to infect routers and video recorder (NVR) devices. The security firm revealed that threat actors were exploiting a vulnerability, tracked as CVE-2023-49897 (CVSS score 8.0) and earlier. and earlier (5.0.0

Firmware 113
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Interview With a Crypto Scam Investment Spammer

Krebs on Security

Chaput said the spammers used more than 1,500 Internet addresses across 400 providers to register new accounts, which then followed popular accounts on Mastodon and sent private mentions to the followers of those accounts. Shortly after that, those same servers came under a sustained distributed denial-of-service (DDoS) attack.

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Widespread exploitation by botnet operators of Zyxel firewall flaw

Security Affairs

“Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 Mirai botnets are frequently used to conduct DDoS attacks.”

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Moobot botnet spreads by exploiting CVE-2021-36260 flaw in Hikvision products

Security Affairs

The vulnerability is an unauthenticated Remote Code Execution (RCE) vulnerability in Hikvision IP camera/NVR firmware, it was discovered by a security researcher that goes online with the moniker “Watchful IP.”. The expert pointed out that every firmware developed since 2016 has been tested and found to be vulnerable.

Firmware 121
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Over 80,000 Hikvision cameras can be easily hacked

Security Affairs

The vulnerability is an unauthenticated Remote Code Execution (RCE) vulnerability in Hikvision IP camera/NVR firmware, it was discovered by a security researcher that goes online with the moniker “Watchful IP.”. The expert confirmed that every firmware developed since 2016 has been tested and found to be vulnerable.

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