706,000+ BIND 9 Resolver Instances Vulnerable to Cache Poisoning Exposed Online – PoC Released

A high-severity vulnerability in BIND 9 resolvers has been disclosed, potentially allowing attackers to poison caches and redirect internet traffic to malicious sites. Tracked as CVE-2025-40778, the flaw affects over 706,000 exposed instances worldwide, as identified by internet scanning firm Censys. Assigned a CVSS score of 8.6, this issue stems from BIND’s overly permissive handling […]

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