CVE-2026-20127

🛡️ CVE-2026-20127 — Cisco Catalyst SD-WAN Authentication Bypass 📌 Overview CVE-2026-20127 is a critical authentication bypass vulnerability affecting Cisco Catalyst SD-WAN components, including controllers and management systems. A remote unauthenticated attacker can exploit improper authenticatio...

PoC-CVE-2017-3881

PoC-CVE-2017-3881 Cisco Catalyst Remote Code Execution PoC This repository contains Proof-Of-Concept code for exploiting remote code execution vulnerability disclosed by Cisco Systems on March 17th 2017 - https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170317-cmp...

CVE-2017-3881-Cisco

CVE-2017-3881 Cisco Catalyst RCE Proof-Of-Concept Apr 10, 2017 Do you still have telnet enabled on your Catalyst switches? Think twice, here’s a proof-of-concept remote code execution exploit for Catalyst 2960 switch with latest suggested firmware. Check out the exploit code here. What follows is...

CVE-2021-40113

CVE-2021-40113 Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network PON Series Switches Optical Network Terminal ONT could allow an unauthenticated, remote attacker to perform the following actions: Log in with a default credential if the...

CVE-2017-3881

CVE-2017-3881 Cisco IOS remote code execution This repository contains Proof-Of-Concept code for exploiting remote code execution vulnerability disclosed by Cisco Systems on March 17th 2017 - https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170317-cmp Description...

CVE-2026-20127-Exploit-Extension

Executive Summary The CVE-2026-20127 Defensive Companion is a premier, enterprise-grade Browser Extension engineered for proactive threat intelligence and defensive analysis. This tool encapsulates authoritative technical research concerning the authentication bypass vulnerability in the Cisco...

CVE-2026-20245---Cisco-SD-WAN-Privilege-Escalation-Exploit

CVE-2026-20245 - Cisco SD-WAN Privilege Escalation Exploit ⚠️ WARNING This code is ONLY for educational purposes and authorized security testing. 📋 Description CVE-2026-20245 is a privilege escalation vulnerability in the CLI of Cisco Catalyst SD-WAN Controller vSmart, Cisco Catalyst SD-WAN Manage...

CVE-2026-20127_EXP

CVE-2026-20127EXP Cisco Catalyst SD-WAN Authentication Bypass Vulnerability CVE-2026-20127 Exploit EXP Basic Usage python scan.py -f targets.txt Display Detailed Information python scan.py -f targets.txt -v Adjust Thread Count and Save Results python scan.py -f targets.txt -t 10 -o vulnerable.txt...

CVE-2026-20182

CVE-2026-20182 Cisco Catalyst SD-WAN Peering Authentication Bypass CVE-2026-20182 — Cisco Catalyst SD-WAN Peering Authentication Bypass Assessment tool for authorized testing of Cisco Catalyst SD-WAN Controller / Manager peering authentication bypass CVE-2026-20182. | ---|--- CVE| CVE-2026-20182...

CVE-2026-20127

CVE-2026-20127 Overview An exploit for the Cisco Catalyst SD-WAN Controller authentication bypass vulnerability, CVE-2026-20127. This exploit targets the vbondprocchallengeackack handler. It sends a forged CHALLENGEACKACK message msgtype=10 with an attacker-controlled verifystatus=1 byte, directl...

CVE-2026-20131-POC

CVE-2026-20131---Cisco-SD-WAN-Preauth-RCE Cisco SD-WAN Zero-Day CVE-2026-20131 Exploited Since 2023 for Admin Access. This repository contains a working proof-of-concept exploit for CVE-2026-20131, a critical pre-authentication vulnerability in Cisco Catalyst SD-WAN Controller formerly vSmart and...

CVE-2026-76504-Proof-of-concept

Cisco Catalyst SD-WAN Manager — CVE-2026-76504 Unauthenticated authentication bypass caused by improper handling of URL encoding CWE-177 in the API session management layer. A crafted request reaches a privileged endpoint and is treated as an authenticated admin session. Overview The vulnerabilit...

Hackers Exploited Cisco SD-WAN Flaw to Plant Malware Built to Steal Encryption Keys

Hackers exploited a critical Cisco Catalyst SD-WAN flaw, fixed in February, to plant custom malware inside the systems that control an organization's SD-WAN network. The malware, called KeyDrift , is designed to copy the keys that encrypt traffic between sites and store them for later use, Cisco...

Cisco Catalyst SD-WAN Manager 26.2 API Authentication Bypass

Cisco Catalyst SD-WAN Manager versions before the fixed releases contain an API authentication bypass caused by improper URI encoding handling. The included proof of concept details a crafted request that can obtain an administrative API session. https://packetstorm.news/download/237420...

Exploit for Improper Handling of URL Encoding (Hex Encoding) in Cisco Catalyst_Sd-Wan_Manager

CVE-2026-76504 — Cisco Catalyst SD-WAN Manager Auth Bypass Exp...

CVE-2026-20182

CVE-2026-20182 — Cisco Catalyst SD-WAN Controller / Manager Authentication Bypass A proof-of-concept exploit for CVE-2026-20182 , a critical CVSS 10.0 authentication bypass in the vdaemon DTLS service UDP/12346 on Cisco Catalyst SD-WAN Controller vSmart and Manager vManage. Disclosed: May 14, 202...

Cisco SD-WAN Manager Auth Bypass (CVE-2026-76504)

Exploits CVE-2026-76504 in Cisco Catalyst SD-WAN Manager: POST to a percent-encoded /jsecuritycheck path bypasses WildFly authentication constraints and yields an admin-level JSESSIONID, enabling full vManage API access and device template deployment. !/usr/bin/env python3 -- coding: utf-8 --...

Cisco SD-WAN CVE-2026-76504 Detect

Detects CVE-2026-76504 on Cisco Catalyst SD-WAN Manager vManage: percent-encoded jsecuritycheck path bypasses authentication rules and returns an admin-level session cookie. !/usr/bin/env python3 -- coding: utf-8 -- """Detect Cisco Catalyst SD-WAN Manager CVE-2026-76504 auth bypass surface.""" fr...

Cisco Catalyst SD-WAN Manager API Authentication Bypass Vulnerability (cisco-sa-sdwan-webauth-xr8beuuU)

According to its self-reported version, Cisco SD-WAN Viptela Software is affected by a vulnerability. - An authentication bypass vulnerability exists in the API session-based authentication management of Cisco Catalyst SD-WAN Manager due to improper handling of URI encoding hex encoding in HTTP...

CISA Adds Exploited Cisco Catalyst SD-WAN Manager Auth Bypass to KEV

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Wednesday added a critical authentication bypass flaw impacting Cisco Catalyst SD-WAN Manager to its Known Exploited Vulnerabilities KEV, following reports of active exploitation. The vulnerability, tracked as CVE-2026-76504 CVSS...