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Bleeping Computer
A flaw in OpenWrt's Attended Sysupgrade feature used to build custom, on-demand firmware images could have allowed for the distribution of malicious firmware packages. [...]
The Hacker News
Cybersecurity researchers have disclosed details of a "factory-shipped backdoor" implanted in at least 20 Chinese router models from Zbtlink. According to a new report from VulnCheck, the implant appears in all 21 firmware images currently available from Zbtlink that span more than 2 years. The backdoors are designed such that they start automatically and attempt to beacon to Chinese
Bleeping Computer
Roughly nine percent of tested firmware images use non-production cryptographic keys that are publicly known or leaked in data breaches, leaving many Secure Boot devices vulnerable to UEFI bootkit malware attacks. [...]
The Hacker News
An analysis of firmware images across devices from Dell, HP, and Lenovo has revealed the presence of outdated versions of the OpenSSL cryptographic library, underscoring a supply chain risk. EFI Development Kit, aka EDK, is an open source implementation of the Unified Extensible Firmware Interface (UEFI), which functions as an interface between the operating system and the firmware embedded in
Bleeping Computer
Chinese-speaking hackers have been using since at least 2016 malware that lies virtually undetected in the firmware images for some motherboards, one of the most persistent threats commonly known as a UEFI rootkit. [...]
The Hacker News
An unknown Chinese-speaking threat actor has been attributed to a new kind of sophisticated UEFI firmware rootkit called CosmicStrand. "The rootkit is located in the firmware images of Gigabyte or ASUS motherboards, and we noticed that all these images are related to designs using the H81 chipset," Kaspersky researchers said in a new report published today. "This suggests that a common