Keenadu Firmware Backdoor Infects Android Tablets via Signed OTA Updates

A new Android backdoor that's embedded deep into the device firmware can silently harvest data and remotely control its behavior, according to new findings from Kaspersky. The Russian cybersecurity vendor said it discovered the backdoor, dubbed Keenadu , in the firmware of devices associated with...

Divide and conquer: how the new Keenadu backdoor exposed links between major Android botnets

In April 2025, we reported on a then-new iteration of the Triada backdoor that had compromised the firmware of counterfeit Android devices sold across major marketplaces. The malware was deployed to the system partitions and hooked into Zygote – the parent process for all Android apps – to infect...

EUVD-2018-20542

Malware in sbrugna...

EUVD-2022-43548

Malicious code in bioql PyPI...

EUVD-2022-43559

Malicious code in bioql PyPI...

Millions of Gigabyte Motherboards Were Sold With a Firmware Backdoor

Hidden code in hundreds of models of Gigabyte motherboards invisibly and insecurely downloads programs—a feature ripe for abuse, researchers say...

CVE-2022-40250

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

Design/Logic Flaw

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

CVE-2022-40261 SMM memory corruption vulnerability in OverClockSmiHandler SMM driver

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

CVE-2022-40261

CVE-2022-40261 concerns the OverClockSmiHandler SMM driver. The provided documents describe a local-privilege-escalation flaw that allows an attacker to elevate to System Management Mode (ring -2), execute arbitrary code in SMM, and bypass SMM‑based SPI flash protections, enabling a malicious BIO...

CVE-2022-40261 SMM memory corruption vulnerability in OverClockSmiHandler SMM driver

An attacker can exploit this vulnerability to elevate privileges from ring 0 to ring -2, execute arbitrary code in System Management Mode - an environment more privileged than operating system OS and completely isolated from it. Running arbitrary code in SMM additionally bypasses SMM-based SPI...

Intel NUC M15 安全漏洞

Intel NUC M15 is a laptop kit from Intel Corporation USA. A security vulnerability exists in previous versions of the Intel NUC M15 Laptop Kit BC0076, which stems from an elevation of privilege, executing arbitrary code in System Management Mode, and running arbitrary code in SMM will also bypass...

Input validation

FOSCAM Camera FI9805E with firmware V4.02.R12.00018510.10012.143900.00000 contains a backdoor that opens Telnet port when special command is sent on port 9530...

CVE-2018-8934

The Promontory chipset, as used in AMD Ryzen and Ryzen Pro platforms, has a backdoor in firmware, aka CHIMERA-FW...

CVE-2018-8934

CVE-2018-8934 covers a backdoor in the firmware of the Promontory chipset used in AMD Ryzen/Ryzen Pro platforms (aka CHIMERA-FW). The issue stems from a firmware backdoor in Promontory, with documented risk perceptions in multiple sources, and a CVSS3 score indicating CRITICAL impact across confi...

Google Researcher Publishes PoC Exploit for Apple iPhone Wi-Fi Chip Hack

You have now another good reason to update your iPhone to newly released iOS 11—a security vulnerability in iOS 10 and earlier now has a working exploit publicly available. Gal Beniamini, a security researcher with Google Project Zero, has discovered a security vulnerability CVE-2017-11120 in...

http-dlink-backdoor NSE Script

Detects a firmware backdoor on some D-Link routers by changing the User-Agent to a "secret" value. Using the "secret" User-Agent bypasses authentication and allows admin access to the router. The following router models are likely to be vulnerable: DIR-100, DIR-120, DI-624S, DI-524UP, DI-604S,...

D-Link routers authenticate administrative access using specific User-Agent string

Overview Various D-Link routers allow administrative web actions if the HTTP request contains a specific User-Agent string. This backdoor allows an attacker to bypass password authentication and access the router's administrative web interface. Planex and Alpha Networks devices may also be...