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- “Zero-Day Arms Races on Legacy Gateways”
“Zero-Day Arms Races on Legacy Gateways”
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Legacy VPNs and SSL Gateways Remain Active and Unpatched
Many companies still rely on outdated perimeter devices that no longer receive vendor support. These systems are vulnerable to known and unknown exploits. Attackers prioritize them knowing patching is often impossible or delayed.
End-of-Life Infrastructure Becomes a Primary Target
Devices like old firewalls, routers, or reverse proxies are kept online due to cost or complexity. Once vendors end support, attackers quickly exploit unpatched flaws. These assets become persistent weak points in modern environments.
SSL, UI frameworks, and embedded OS modules are reused across gateway vendors. A single CVE can affect dozens of products simultaneously. Attackers capitalize on this shared codebase to scale exploitation quickly.
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Firewall Rules Drift Over Time, Creating Blind Spots
As teams patch or reconfigure systems, temporary rule changes become permanent. These exceptions lead to overly permissive access controls. Attackers use them to bypass segmentation and reach internal resources.
Management Interfaces Are Exposed Without Protections
Web-based admin panels, SSH ports, and API endpoints are sometimes left internet-facing. Many lack MFA, IP restrictions, or rate limiting. These become low-effort entry points for remote attackers.
Encrypted Tunnels Hide Malicious Payloads from Detection
Legacy gateways pass encrypted traffic without decryption or inspection. Malware, data exfiltration, and C2 traffic remain invisible to traditional IDS/IPS. Without SSL inspection, defenders are blind to advanced threats.
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