thm-cybersec-portfolio

TryHackMe Notes — Cybersecurity Portfolio Personal notes and summaries of completed TryHackMe rooms. Built as a study reference and portfolio for IT security roles. Completed Rooms | Room| Topic ---|---|--- 01| Linux Privilege Escalation| Linux privesc techniques 02| Sudo Buffer Overflow|...

CVE20265172poc

CVE20265172poc CVE-2026-5172: buffer overflow in extractaddresses on crafted resource record PoC Topology read here https://medium.com/@yanyuyingshu/reproduction-journal-dnsmasq-ecs-validation-and-buffer-overflow-flaws-e0fe0f66f60c Steps​ 1. vi /etc/dnsmasq.conf​ port=5353​...

CVE-2018-4407

CVE-2018-4407 CVE-2018-4407 is a buffer overflow vulnerability in the XNU kernel's ICMP error code. It causes IOS devices to crash both laptops and mobiles upon receival of one yes 1! single bad packet. The bug was originally disclosured by Kevin Backhouse on his lgtm blogpost on October 30th 201...

CVE-2026-76071

CVE-2026-76071: Unauthenticated Pre-Auth Stack Buffer Overflow via sscanf %^, in skkset.cgi ipFilterList Handler in Netis NC63 Researcher: Özcan Ersan @ozcanpng Disclosure status CVE: CVE-2026-76071 Vendor: Netis Systems Co., Ltd. Product: Netis NC63 AC1200 Wireless Dual Band Gigabit MU-MIMO Rout...

CVE-2026-38426

CVE-2026-38426: strcpy Stack Buffer Overflow in Tasmota fetchjpg boundary40 CVE: CVE-2026-38426 Severity: Critical CVSS 9.8 Product: Arendst Tasmota Affected Version: = 15.3.0.3 File: tasmota/tasmotaxdrvdriver/xdrv10scripter.ino Function: fetchjpg — case 0 initial connection Author: Saidakbarxon...

CVE-2026-6789-Stack-Buffer-Overflow-in-Embedded-TLS-Certificate-Parser

9. CVE-2026-6789 – Stack Buffer Overflow in Embedded TLS Certificate Parser Overview A popular lightweight TLS library simulated contains a stack buffer overflow when parsing X.509 certificate Subject Alternative Name extensions with a crafted length field. Severity: Critical RCE on IoT/Industria...

CVE-2022-3602-poc

CVE-2022-3602 DOS poc Buffer Overflow DOS in OpenSSL 3.0 3.0.7 Useage: $ gcc -o CVE-2022-3602 CVE-2022-3602.c -lpthread $ ./CVE-2022-3602 127.0.0.1 443...

XAMPPv3.3.0-BOF

XAMPPv3.3.0-BOF Proof-of-Concept exploit code for XAMPP v3.3.0 — '.ini' Buffer Overflow Unicode + SEH Steps to Reproduce: 1. Run the python script "poc.py", it will create a new file "xampp-control.ini" 2. Open the application xampp-control.exe 3. Click on the "admin" button in front of any servi...

cve-2011-4862

cve-2011-4862 I originally tried to use diff to make a patch. I patched it the way I thought it would be, before looking at the real patch. encrypt.patch is this original patch that I made with teh diff. However, when we tried applying this patch to freeBSD, it would not accept it. Instead, we ha...

CVE-2025-21333

CVE-2025-21333 Hyper-V NT Kernel Integration VSP vkrnlintvsp.sys Paged Pool heap overflow → Local Privilege Escalation LPE. This directory contains lab PoC source code based on MrAle98/CVE-2025-21333-POC, including a local patch. 1. Vulnerability Summary Item| Content ---|--- CVE| CVE-2025-21333...

CVE-2026-42945

CVE-2026-42945 Nginx Rift - PoC Toolkit A comprehensive proof-of-concept toolkit for CVE-2026-42945 Nginx Rift, a critical heap buffer overflow vulnerability in Nginx's ngxhttprewritemodule. Vulnerability Summary Field| Details ---|--- CVE ID| CVE-2026-42945 Name| Nginx Rift Type| Heap Buffer...

CVE-2025-60752

CVE-2025-60752 PoC of CVE-2025-60752 Affected product: Tinyc Http Server The full writeup article is available at https://zer0matt.blogspot.com/2026/05/cve-2025-60752-tinyc-http-server-stack.html Description A stack buffer overflow occurs when Tinyc receives a crafted input. The overflow occurs...

CVE-2026-12485

🚨 CVE-2026-12485 - Critical Unauthenticated Remote Code Execution RCE GeoVision GV-I/O Box 4E – Firmware v2.09 Disclosure Date: June 23, 2026 CWE: CWE-121 – Stack-Based Buffer Overflow Attack Vector: Network Unauthenticated An unauthenticated stack-based buffer overflow vulnerability in the...

CVE-2026-42945

🛡️ CVE-2026-42945 - NGINX Rift Critical Heap-Based Buffer Overflow in NGINX 📌 Overview CVE-2026-42945 also known as NGINX Rift is a critical security vulnerability in the ngxhttprewritemodule of NGINX. Type : Heap-based Buffer Overflow CWE-122 Discovered : May 2026 Existed For : 18 years...

CVE-2025-52413

CVE-2025-52413 — Particle Device OS BLE Buffer Overflow Discoverer : Golden Ticket Labs Vendor : Particle Date Assigned : August 12th 2025 MITRE Description A buffer overflow in the blecontrolrequestchannel.cpp component of Particle Device OS v5.6.0 enables arbitrary function pointer overwrite du...

CVE-2025-27480

CVE-2025-27480 CVE‑2025‑27480 – Remote Code Execution in OpenSSH What the vulnerability is all about OpenSSH version 8.9p1 contains a subtle buffer‑overflow bug that happens when it parses an SSHUSERAUTH packet. A client can send a packet with a very long “user” field, and the data lands in the...

CVE-2026-42945-nginx-rift-poc

NGINX Rift — CVE-2026-42945 RCE proof-of-concept for CVE-2026-42945 , a critical heap buffer overflow in NGINX's ngxhttprewritemodule introduced in 2008. Enables unauthenticated remote code execution against servers using rewrite ... ?... + set capture combinations. Original vulnerability...

CVE-2019-17147

CVE-2019-17147: TP-Link TL-WR841N Exploitation Overview This repository documents the comprehensive reverse engineering and exploitation of CVE-2019-17147 , a critical remote code execution RCE vulnerability in the TP-Link TL-WR841N router MIPSEL architecture. The vulnerability resides in the htt...

CVE-2026-40369

🚨 CVE-2026-40369 - Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Heap-Based Buffer Overflow allowing local attackers to elevate privileges toNT AUTHORITY\SYSTEM. 📖 Overview CVE-2026-40369 is a High Severity privilege escalation vulnerability affecting Microsoft Windows Kernel...

SNMPocalypse-Cisco-Bug-Lets-Hackers-Crash-or-Command-Devices

SNMPocalypse-Cisco-Bug-Lets-Hackers-Crash-or-Command-Devices CVE-2023-20352 is a critical stack overflow flaw in Cisco IOS/IOS XE's SNMP engine. With just crafted SNMP packets, remote attackers can crash systems or seize root control. All SNMP versions are vulnerable patch now or risk total...