Pierluigi Paganini
June 20, 2025
Cloudflare blocked a record-breaking 7.3 Tbps DDoS attack in May 2025. Cloudflare blocked a record 7.3 Tbps DDoS attack in May 2025, 12% greater than its previous peak and 1 Tbps greater than the attack reported by the popular cyber journalist Brian Krebs. The attack targeted a Cloudflare customer, a hosting provider using the company’s […]
Pierluigi Paganini
June 17, 2025
GreyNoise researchers have observed exploit attempts targeting the remote code execution vulnerability CVE-2023-28771 in Zyxel devices. On June 16, GreyNoise researchers detected exploit attempts targeting CVE-2023-28771 (CVSS score 9.8), a remote code execution flaw impacting Zyxel IKE decoders over UDP port 500. “Exploitation attempts against CVE-2023-28771 were minimal throughout recent weeks. On June 16, GreyNoise observed […]
Pierluigi Paganini
June 09, 2025
A new variant of the Mirai botnet exploits CVE-2024-3721 to target DVR systems, using a new infection method. Researchers from Russian cybersecurity firm Kaspersky discovered a new variant of the Mirai botnet that exploits a command injection vulnerability (CVE-2024-3721) in TBK DVR-4104 and DVR-4216 digital video recording devices. During a review of the logs in […]
Pierluigi Paganini
March 07, 2025
Mirai-based botnets are exploiting a zero-day flaw, tracked as CVE-2025-1316, in Edimax IP cameras, to achieve remote command execution. US CISA warns that multiple botnets are exploiting a recently disclosed vulnerability, tracked as CVE-2025-1316 (CVSS score of 9.8), in Edimax IC-7100 IP cameras. The issue is an Improper Neutralization of Special Elements used in an […]
Pierluigi Paganini
January 22, 2025
Cloudflare announced that it has blocked a record-breaking 5.6 terabit-per-second (Tbps) distributed denial-of-service (DDoS) attack. Cloudflare announced that during the week of Halloween 2024, it autonomously detected and blocked a 5.6 Terabit per second (Tbps) DDoS attack, which is the largest attack ever reported. The previous largest DDoS attack blocked by Cloudflare occurred in October […]
Pierluigi Paganini
January 21, 2025
Researchers warn of a campaign exploiting AVTECH IP cameras and Huawei HG532 routers to create a Mirai botnet variant called Murdoc Botnet. Murdoc Botnet is a new Mirai botnet variant that targets vulnerabilities in AVTECH IP cameras and Huawei HG532 routers, the Qualys Threat Research Unit reported. The botnet has been active since at least […]
Pierluigi Paganini
December 26, 2024
Akamai researchers discovered a new Mirai botnet variant targeting a vulnerability in DigiEver DS-2105 Pro DVRs. Akamai researchers spotted a Mirai-based botnet that is exploiting an remote code execution vulnerability in DigiEver DS-2105 Pro NVRs. The experts pointed out that this Mirai variant has been modified to use improved encryption algorithms. The Mirai variant incorporates ChaCha20 and […]
Pierluigi Paganini
December 19, 2024
Juniper Networks warns that a Mirai botnet is targeting SSR devices with default passwords after unusual activity was reported on December 11, 2024. Juniper Networks is warning that a Mirai botnet is targeting Session Smart Router (SSR) products with default passwords. Multiple customers reported anomalous activity on their Session Smart Network (SSN) platforms on December […]
Pierluigi Paganini
June 25, 2024
Researchers warn that a Mirai-based botnet is exploiting a recently disclosed critical vulnerability in EoL Zyxel NAS devices. Researchers at the Shadowserver Foundation warn that a Mirai-based botnet has started exploiting a recently disclosed vulnerability tracked as CVE-2024-29973 (CVSS score 9.8) in end-of-life NAS devices Zyxel NAS products. The flaw is a command injection vulnerability […]
Pierluigi Paganini
November 22, 2023
Mirai-based botnet InfectedSlurs has been spotted exploiting two zero-day RCE flaws to compromise routers and video recorder (NVR) devices. 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 researchers discovered the botnet in October 2023, but they believe it has […]
