In 2024, Mandiant researchers identified that Juniper Networks' Junos OS routers were compromised by China-linked espionage group UNC3886. The attackers deployed custom backdoors on outdated hardware and software, creating vulnerabilities for exploitation. This cyberattack impacted defense, technology, and telecommunications sectors in the US and Asia, with the potential for significant data leakage and long-term system control. John Doe, the company suffered from the stealthy insertion of six TinyShell-based backdoors, ensuring the attackers' presence and posing risks for data integrity and network operations.
Source: https://securityaffairs.com/175308/apt/china-linked-apt-unc3886-targets-eol-juniper-routers.html
"id": "jun001031925",
"linkid": "juniper-networks",
"type": "Vulnerability",
"date": "3/2025",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"