25 Mar, 2025

Chinese cyberspies backdoor Juniper routers for stealthy access

Chinese hackers are deploying custom backdoors on Juniper Networks Junos OS MX routers that have reached end-of-life (EoL) and no longer receive security updates. The backdoors are primarily variants of the TinyShell malware, an open-source tool that facilitates data exchange and command execution on Linux systems, and which has been used by multiple threat groups over the years. […]

4 mins read

Undocumented “backdoor” found in Bluetooth chip used by a billion devices

The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains an undocumented “backdoor” that could be leveraged for attacks. The undocumented commands allow spoofing of trusted devices, unauthorized data access, pivoting to other devices on the network, and potentially establishing long-term persistence. This was discovered […]

3 mins read

Zyxel won’t patch newly exploited flaws in end-of-life routers

Zyxel has issued a security advisory about actively exploited flaws in CPE Series devices, warning that it has no plans to issue fixing patches and urging users to move to actively supported models. VulnCheck discovered the two flaws in July 2024, but last week, GreyNoise reported having seen exploitation attempts in the wild. According to network […]

2 mins read

Vulnerable Moxa devices expose industrial networks to attacks

Industrial networking and communications provider Moxa is warning of a high-severity and a critical vulnerability that impact various models of its cellular routers, secure routers, and network security appliances. The two seurity issues allow remote attackers to get root privileges on vulnerable devices and to execute arbitrary commands, which could lead to arbitrary code execution. Risks […]

2 mins read

Hackers exploit Four-Faith router flaw to open reverse shells

Threat actors are exploiting a post-authentication remote command injection vulnerability in Four-Faith routers tracked as CVE-2024-12856 to open reverse shells back to the attackers. The malicious activity was discovered by VulnCheck, who informed Four-Faith about the active exploitation on December 20, 2024. However, it is unclear if security updates for the vulnerability are currently available. […]

2 mins read

BadBox malware botnet infects 192,000 Android devices despite disruption

The BadBox Android malware botnet has grown to over 192,000 infected devices worldwide despite a recent sinkhole operation that attempted to disrupt the operation in Germany. Researchers from BitSight warn that the malware appears to have expanded its targeting scope beyond no-name Chinese Android devices, now infecting more well-known and trusted brands like Yandex TVs […]

5 mins read

Germany blocks BadBox malware loaded on 30,000 Android devices

Germany’s Federal Office for Information Security (BSI) has disrupted the BadBox malware operation pre-loaded in over 30,000 Android IoT devices sold in the country. The types of impacted devices include digital picture frames, media players and streamers, and potentially smartphones and tablets. BadBox is an Android malware that comes pre-installed in an internet-connected device’s firmware […]

5 mins read

Korea arrests CEO for adding DDoS feature to satellite receivers

South Korean police have arrested a CEO and five employees for manufacturing over 240,000 satellite receivers pre-loaded or later updated to include DDoS attack functionality at a purchaser’s request. While neither company has been named, the two companies have been trading since 2017. In November 2018, the purchasing company made a special request to include […]

2 mins read

D-Link won’t fix critical bug in 60,000 exposed EoL modems

Tens of thousands of exposed D-Link routers that have reached their end-of-life are vulnerable to a critical security issue that allows an unauthenticated remote attacker to change any user’s password and take complete control of the device. The vulnerability was discovered in the D-Link DSL6740C modem by security researcher Chaio-Lin Yu (Steven Meow), who reported it to Taiwan’s […]

2 mins read

D-Link won’t fix critical flaw affecting 60,000 older NAS devices

More than 60,000 D-Link network-attached storage devices that have reached end-of-life are vulnerable to a command injection vulnerability with a publicly available exploit. The flaw, tracked as CVE-2024-10914, has a critical 9.2 severity score and is present in the ‘cgi_user_add’ command where the name parameter is insufficiently sanitized. An unauthenticated attacker could exploit it to inject arbitrary […]

2 mins read