Tag Archives: Router

Trend Micro and ASUS warns: Cyclops Blink Botnet targets ASUS Routers

Posted on 2022-03-20 by guenni

[German]The Cyclops Blink botnet has been infecting network devices around the world for several weeks. The botnet is operated by the suspected Russian Sandworm APT.  Manufacturer ASUS has issued a warning this week, which is directed at users of its … Continue reading →

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Beware: User reports TP-Link routers share traffic with third parties (Avira)

Posted on 2022-03-14 by guenni

[German]Do any of you have TP-Link routers in use? There is disturbing information of the "hands off these devices" type. This is because there are user reports that TP-Link router firmware is sharing network traffic with third-party vendors (specifically AVIRA … 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 ...

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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Frequent login attempts on routers (FRITZ!Box)

Posted on 2021-12-16 by guenni

[German]Currently, owners of Internet routers – especially FRITZ!Box routers – are noticing recurring login attempts on their devices. At least, some readers have contacted heise with corresponding observations. And also during a short research I came across postings reporting access … Continue reading →

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MikroTik Security Advice (CVE-2018-14847)

Posted on 2021-09-18 by guenni

[German]Router manufacturer MikroTik has published a security advisory on how to protect its devices against a takeover by the Meris botnet. The Meris gang exploits the CVE-2018-14847 vulnerability, discovered in 2018 and patched long ago, to take over devices and … Continue reading →

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Authentication Vulnerability CVE-2021-20090 in Arcadyan-based Routers and Modems

Posted on 2021-08-02 by guenni

[German]Routers and modems from the Taiwan-based manufacturer Arcadyan have a CVE-2021-20090 vulnerability that can be used to bypass authentication. The routers and modems are sold under many trade names by other manufacturers. Advertising

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Cisco Small Business Router: Update for Root vulnerability

Posted on 2021-02-07 by guenni

[German]Cisco has published a security warning for its small business routers that they are affected by a root vulnerability and should be updated to a new firmware version quickly. Advertising

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Fraunhofer test: Huge security flaws in common home routers

Posted on 2020-07-05 by guenni

[German]Security researchers at German Fraunhofer Institute looked at 127 common routers for home use. The had the latest firmware installed, but the researchers  came to some frightening results. Almost all devices had alarming security flaws. Advertising

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Security: Update your bintec elmeg Business Routers!

Posted on 2019-11-28 by guenni

[German]Just a note to users of bintec elmeg business routers. It's recommended, to update the firmware of these devices, because a nasty bug has been discovered. During port forwarding accidentally more ports as expected are being opened. Advertising

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MikroTik-Router: Firmware Update closes vulnerabilities

Posted on 2019-11-05 by guenni

[German]The Tenable Research team has uncovered vulnerabilities in the MikroTik RouterOS. In the meantime, the manufacturer MikroTik has provided updated firmware updates to close the vulnerabilities. Advertising

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