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HP has published various security alerts for more than 250 of its printer models. Hackers should be able to inject malicious code, denial-of-service (DoS) attacks to start and access data. As a countermeasure, the manufacturer recommends firmware updates and configuration changes.
Gateway LLMNR protocol
The first vulnerability, CVE-2022-3942, is classified as critical with a value of 8.4. According to Heise, attackers can use vulnerabilities in the firmware to remotely cause a buffer overflow in around 250 HP printer models. Malicious code can then be injected and executed.
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