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Routers Remain Top Target for IoT Attacks, Per Zscaler Report
Routers reimain the most targeted IoT devices, accounting for more than 75 percent of all attacks, according to the Zscaler ThreatLabz 2025 Mobile, IoT, and OT Threat Report (https://www.zscaler.com/campaign/threatlabz-mobile-iot-ot-report).
Attackers exploit various router vulnerabilities to execute commands, propagate malware, and expand botnets, the report states. Additionally, it notes that "Netgear routers are an especially popular target." Common exploitation methods include command injection and directory traversal techniques that "often exploit unauthenticated remote code execution (RCE) vulnerabilities, such as CVE-2016-10174 (https://nvd.nist.gov/vuln/detail/cve-2016-10174) and CVE-2018-10561 (https://nvd.nist.gov/vuln/detail/cve-2018-10561) [which] allow threat actors to bypass authentication and execute scripts remotely."
Top IoT threat findings include:
- The US is the top target for IoT attacks, with 54.1 percent of activity.
- Routers account for more than 75 percent of all attacks, which are mainly driven by command injection vulnerabilities.
- Manufacturing and transportation sectors together are the target of 40 percent of all IoT malware attacks.
- The majority of IoT malware is linked to the Mirai and Mozi malware families, with roughly 40 percent of blocked transactions linked to the Mirai family alone.
Mobile threats are also on the rise, with Android malware transactions increasing by 67 percent year-over-year. According to the report, this trend is "fueled by spyware and banking
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