Tag Archives: printer

Vulnerabilities in HP Laser printers (Feb. 2024)

[German]Printer manufacturer Hewlett Packard has published security messages warning of vulnerabilities in various HP Laserjet printers. These vulnerabilities can be used to inject code. The manufacturer has provided firmware updates to close the vulnerabilities in its devices. Thanks to the … Continue reading

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WTF: HP claims to "protect" users from "viruses" by blocking third-party ink cartridges

[German]It's crazy or "what the fuck" (WTF) what printer manufacturer HP is sucking out of its fingers again. The company has attracted a lot of negative attention because it blocks third-party ink cartridges through firmware updates, even retrospectively. There have … Continue reading

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

Windows 10/11: "HP Smart" printer app is installed without permission

[German]Since the end of November 2023, users have been reporting that an "HP Smart" printer app has suddenly been installed on their Windows 10 and Windows 11 systems. This also applies to systems to which no HP printer has been … Continue reading

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HP toner: Purchase from distributor only after B2B registration?

[German]Strange development in the area of printer consumables at the manufacturer HP. The fact that ink cartridges from third-party suppliers are blocked by firmware updates is nothing new. I have also discussed ink subscriptions for HP devices here on the … Continue reading

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Used Canon printers reveal WLAN password

[English]Warning to owners of Canon printers who want to take them out of service and sell them – or who operate the devices in WLAN and then have to give them for repair. Manufacturer Canon currently warns that certain devices … Continue reading

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Firmware update for HP Officet Jet 902x printer models triggers error 83C0000B

[German]A firmware update for its HP OfficeJet 902x printer series released by HP a week ago triggers a "BlueScreens" with the error code 83C0000B. The printer is subsequently unusable – there is no remedy (so far), some customers receive a … Continue reading

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Critical vulnerability CVE-2023-1707 in HP printer firmware, no patch available

[German]Firmware from various laser printers is vulnerable to CVE-2023-1707 vulnerability. Certain HP Enterprise LaserJet and HP LaserJet are potentially vulnerable to information disclosure in managed environments when IPsec is enabled with FutureSmart version 5.6. A patch may be up to … Continue reading

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Critical vulnerability in Lexmark printers (March 2023)

[German]There is a critical security vulnerability in the Lexmark firmware of various printers from this manufacturer. This is according to a security advisory issued by Lexmark on March 10, 2023. Hundreds of printer models are affected, including Lexmark MC3224, Lexmark … Continue reading

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HP printer: Firmware update again blocks third-party ink cartridges (2023)

[German]They've done it again; despite class action lawsuits, damage awards and very bad publicity because of their firmware updates sold as "dynamic security updates"; which discourage users from using third-party ink cartridges. This refers to the inkjet printer manufacturer, the … Continue reading

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Oct. 2022 Firmware update bricks HP printer with Error 49 or 79

[German]I have often reported about firmware updates for printers here in the blog. One point are security updates that close vulnerabilities in printers. The other point are firmware updates that reduce the functionality of a printer – for example to … Continue reading

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