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Critical Zyxel Firewall Vulnerability Exploited in DDOS Attacks

Heimadal Security

Multiple DDoS botnets have actively exploited a critical vulnerability discovered in Zyxel firewall models, as revealed by cybersecurity researchers.

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Beware the Cyber Ghouls: Spooky Threats Lurking in Digital Shadows

SecureWorld News

These botnets, networks of compromised devices, can perform attacks without the user realizing it, overwhelming networks, spreading spam, and even launching DDoS attacks. million, almost an increase of $1 million from 2023 , proving that these "vampires" are more active—and greedier—than ever.

IoT 119
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Muddling Meerkat, a mysterious DNS Operation involving China’s Great Firewall

Security Affairs

The experts noticed a spike in activity observed in September 2023. The threat actors appear to have the capability to control China’s Great Firewall and were observed utilizing a novel technique involving fake DNS MX records. However, low-volume attacks resembling Slow Drip DDoS attacks have persisted since then.

DNS 140
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Best Distributed Denial of Service (DDoS) Protection Tools

eSecurity Planet

Distributed denial of service (DDoS) attacks can cripple an organization, a network, or even an entire country, and they show no sign of slowing down. DDoS attacks may only make up a small percentage of security threats, but their consequences can be devastating. According to Imperva Research Labs, DDoS attacks tend to come in waves.

DDOS 128
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Overview of IoT threats in 2023

SecureList

We conducted an analysis of the IoT threat landscape for 2023, as well as the products and services offered on the dark web related to hacking connected devices. In the first half of 2023, 97.91% of password brute-force attempts registered by our honeypots targeted Telnet, and only 2.09%, SSH. Our advantages: 1.

IoT 134
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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. Mirai botnets are frequently used to conduct DDoS attacks.”

DDOS 98
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Widespread exploitation by botnet operators of Zyxel firewall flaw

Security Affairs

Threat actors are actively exploiting a command injection flaw, tracked as CVE-2023-28771, in Zyxel firewalls to install malware. Threat actors are actively attempting to exploit a command injection vulnerability, tracked as CVE-2023-28771 , that impacts Zyxel firewalls. in its firewall devices. USG FLEX ZLD V4.60