zyxel-p870hn-hardware-hacking

From a bare PCB to root: hardware-hacking a ZyXEL P-870HN over UART Two phone photos of an unlabeled router board → serial console → auth bypass → root shell — reproducing the real, still-unpatched chain CVE-2025-0890 hidden supervisor account + CVE-2024-40891 CLI command injection on hardware I...

psc

PortShellCrypter -- PSC This project - as well as its sister project crash - belongs to my anti-censorship tool-set that allows to setup fully working encrypted shells and TCP/UDP forwarding in hostile censoring environments. It is also useful for forensics to dump data from devices via UART or...

ch55x_firmware_extractor

CH55x firmware extractor The CH55x firmware extractor is used to read out firmware from CH55x integrated circuits. There is no in-built support in the devices for directly reading out the firmware through the bootloader. However, there is a functionality to verify the firmware contents 8 bytes at...

Xiaomi-C200-Firmware-Analysis

The Scope In this repo i will show how i got access to the UART interface even without the common set of exposed pins / test pads, using U-Boot and tricks to gain root on an early stage and eventually dumping the firmware Initial Reconnaissance There are a few key things clear from the PCB Chip...

Mediatrix-CVE-2022-43096

CVE-2022-43096 CVSS v3.1 Vector: AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N 7,3 Description Mediatrix 4102 before v48.5.2718 allows local attackers to gain root access via the UART port. Vulnerability Type Incorrect Access Control Vendor of Product Mediatrix Affected Product Code Base Mediatrix 4102 -...

CVE-2024-36842-Backdooring-Oncord-Android-Sterio-

CVE-2024-36842 Backdooring-Oncord+ Android-Sterio We have conducted vulnerablity assessment on one of the most selling after marrket car infotainment unit. Creating Persistent Backdoor on Oncord+ android/ios car infotainment unit using malicious script! About Device: Android version : 12 Kernel...

ps5-uart

24 pin header near salina EDM-010 emc header 1 5v 2 5v 3 gnd 4 gnd 5 emc gpio a1. pulling low at emc boot causes emc rom to enter uart shell @ 460800 6 uart rx emc 115200 7 uart tx emc 115200 8 3v3, goes low when emc resets 9 0v? 10 gnd 11 titania uart0 tx efc fw: 460800, eap fw: 691200 12 titani...

CP-XR-DE21-S--4G-Router-Vulnerabilities

CP-XR-DE21-S--4G-Router-Vulnerabilities This report is for CVE-2025-44039 reserved for Router UART vulnerability assigned to Discoverer Yashodhan Vivek Mandke. Please download the report pdf in this repositoy...

CVE-2025-65731

CVE-2025-65731 CWE-1191: On-Chip Debug and Test Interface With Improper Access Control UART Root Shell Access on D-Link DIR-605L Hardware F1, Firmware V6.02CN02 Summary A critical hardware security vulnerability has been identified in the D-Link DIR-605L router, Hardware Version F1, Firmware...

CVE-2025-45512

U-Boot 1.1.3 Exploit PoC Usage Guide Introduction This Proof of Concept PoC was created to verify vulnerabilities in the U-Boot bootloader version 1.1.3 compiled on August 27, 2019. The code implements five different vulnerabilities relevant to the OWASP IoT Security Testing Guide ISTG categories...

CVE-2026-98208

A flaw was found in the Linux kernel's SDIO UART driver. When registering a new device port while all available port slots are occupied, the driver fails to release an allocated transmit buffer during error handling. A local user could exploit this flaw by repeatedly triggering failed device...

CVE-2025-67399

CVE-2025-67399 Vulnerability Summary The AIRTH Smart Home AQI Monitor uses a CB3S Bluetooth SoC based on the BK7231N chipset with Software version number: 2.1.17. By physically accessing the device and identifying the SoC, the exposed UART debug/programming pins were located using the publicly...

The vulnerability of the UART interface in the microprogramming software of Mercusys AC12 V2 allows a hacker to execute arbitrary code.

The vulnerability of the UART interface in the microprogramming software of Mercusys AC12 routers lies in the absence of a mechanism to protect the alternative hardware interface. Exploiting this vulnerability allows an attacker to execute arbitrary code...

PT-2026-106623

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci qca: Do not write to the serial port after it is closed hci uart close closes the serdev port if HCI QUIRK NON PERSISTENT SETUP is set for example, for the WCN399x family. A failed hci dev open sync following a...

PT-2026-106537

In the Linux kernel, the following vulnerability has been resolved: mmc: sdio uart: fix xmit fifo leak when the port table is full sdio uart add port allocates the transmit fifo before claiming a slot in sdio uart table. When all UART NR slots are taken, it returns -EBUSY with the fifo still...

CVE-2026-78862

An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via the UART serial interface on the printed circuit board PCB...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: pcnuart: A memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must also call dput, otherwise a memory leak will occur over time. To simplify things, simply call debugfslookupandremove, which...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFC: pn533 – The UART receive buffer was bound incorrectly. The pn532receivebuf function appends every incoming byte to dev-recvskb, and only resets the buffer after pn532uartrxisframe recognizes a complete frame. A continuous...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: serial: core: check uartclk for zero to avoid divide by zero Calling ioctl TIOCSSERIAL with an invalid baudbase can result in uartclk being zero, which will cause a divide by zero error in uartgetdivisor. The check for uartclk...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Update uartdriverregistered upon driver removal The removal of the last MAX3100 device triggers the removal of the corresponding driver. However, the code does not update the respective global variable. After the...