#VU117610 Insufficient verification of data authenticity in ISC BIND - CVE-2025-40778

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Main Vulnerability Database Vulnerabilities #VU117610

#VU117610 Insufficient verification of data authenticity in ISC BIND - CVE-2025-40778

Published: October 23, 2025 / Updated: October 31, 2025


Vulnerability identifier: #VU117610
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:P/U:Green
CVE-ID: CVE-2025-40778
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
ISC BIND
Software vendor:
ISC

Description

The vulnerability allows a remote attacker to poison DNS cache.

The vulnerability exists due to insufficient verification of data authenticity when accepting records from answers. A remote attacker can inject forged data into the cache leading to DNS cache poisoning. 


Remediation

Install updates from vendor's website.

External links