Tag Archives: Firmware

Attention: Backdoor in TechLogix Networx Power Delivery Unit; Isolate devices from Internet and Patch it

Posted on 2022-09-16 by guenni

[German]There is a serious vulnerability (backdoor) in the firmware of power delivery units from the US manufacturer Networx. In older versions (prior to version 2.0.2a ), the firmware does not perform authentication, i.e. it is possible to switch off the … Continue reading →

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Cisco Small Business Router: Vulnerabilities and broken firmware (March 2022)

Posted on 2022-03-08 by guenni

[German]Owners of small business routers from Cisco are in for a tough time at the moment. In February 2022, serious vulnerabilities were found in router models of the RV160, RV260, RV340 or RV345 etc. families, some of which are rated … 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 administrators get full control over driver and firmware updates

Posted on 2021-03-09 by guenni

[German]In the context of the digital developer conference Ignite 2021, Microsoft also announced a new approach for installing driver and firmware updates. Windows administrators are expected to have full control over these updates at some point in the future. Advertising

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Hints for HP Printer Firmware Downgrade

Posted on 2021-02-02 by guenni

[German]In this blog post, I provide advice on how users who have been surprised by an automatic firmware upgrade on HP printers can get the devices back to the previous firmware, if necessary. This is helpful, if an unwanted HP … Continue reading →

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Revised Firmware update Sophos UTM 9.703-3 released

Posted on 2020-04-27 by guenni

[German]There have been problems with the firmware update for Sophos UTM 9.703, as well as with the update for Sophos XG Firewall v18 MR1. The patches were then withdrawn by Sophos. Now the revision Sophos UTM 9.703-3 has been released … Continue reading →

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Stop: Don’t install Sophos UTM 9.703 Firmware

Posted on 2020-04-17 by guenni

[German]Administrators of the Sophos UTM appliance should not install the recently released Sophos UTM 9.703 firmware, as may will cause massive issues. Sophos has pulled this firmware update. Addendum: Sophos confirmed the issues and is testing a fix, that will … Continue reading →

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Sophos RED50: Bug that bricks UTMs found and fixed

Posted on 2020-03-05 by guenni

[German]Good news for administrators using Sophos RED50 devices. The bug in the Sophos UTM version 9.603 software which caused the firmware of the device to crash, leaving it bricked, has been found and fixed via firmware update. Advertising

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Surface Go: Driver and firmware update

Posted on 2019-06-11 by guenni

Microsoft has released a driver and firmware update for its Surface Go tablet. This should bring improvements in pen and touch input. The update only applies to the WiFi version and should support Windows 10 V1903. Some details can be … Continue reading →

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Surface Pro 3 Firmware Update (Nov. 7, 2018)

Posted on 2018-11-08 by guenni

Short information for owners of a Surface Pro 3. Microsoft has released a firmware update on November 7, 2018 to fix security and a bug in the Device Manager. Advertising

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Firmware update Surface Studio/Surface Pro

Posted on 2018-08-31 by guenni

[German]Microsoft has shipped some firmware updates to its Surface Studio and also to its Surface Pro (LTE version). The updates are aimed to improve stability and fixes bugs. Advertising

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