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VPN Vulnerabilities You Should Know About in 2025
- VPNs are facing increasing vulnerabilities in both consumer and corporate settings, with hackers exploiting weaknesses regularly.
- In April 2025, CVE-2025-22457, a critical stack-based buffer overflow vulnerability, was identified in Ivanti Connect Secure and Pulse Connect Secure VPN appliances.
- This vulnerability was previously considered non-exploitable but was discovered to be weaponizable by a Chinese APT group.
- CVE-2024-53704 is an authentication bypass vulnerability in SonicWall SSL VPN, allowing remote attackers to hijack active VPN sessions.
- Ivanti disclosed CVE-2025-0282 and CVE-2025-0283, critical stack-based buffer overflows enabling remote code execution and local privilege escalation.
- A DoS vulnerability (CVE-2025-20212) affecting Cisco Meraki AnyConnect VPN servers requires valid user credentials to exploit.
- X41 D-Sec GmbH found a critical vulnerability (CVE-2024-55884) in the Mullvad VPN application, leading to memory corruption and out-of-bounds writes.
- The identified vulnerabilities highlight the ongoing risks associated with VPNs, making them attractive targets for cyber threats.
- A VPN hacking training is scheduled for June 2025 to address these emerging threats.
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