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CVE-2025-40778

Cache poisoning attacks with unsolicited RRs

Published: Oct 22, 2025Updated: Nov 4, 2025 Sources: CVE List NVD BDUCWE-349
8.6HIGH
NVD MITRE
EPSS Score
0.5%
Top 60.5%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-349

Affected Products

АО «НТЦ ИТ РОСА»
commercial·RU
ROSA VirtualizationOn-prem
Operating Systems / linux-distro
ROSA Virtualization 3.0On-prem
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
АО «ИВК»
commercial·RUaka ivk
АЛЬТ СП 10On-premOS
Operating Systems / linux-distro
Internet Systems Consortium
oss-project·USaka isc
BINDOn-premNetwork Device
Networking Infrastructure / dns-dhcp-ntp
АО «СберТех»
commercial·RUaka ao sbertech, сбертех
Platform V SberLinux OS ServerOn-premOS
Operating Systems / linux-distro
and 2 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available
Scannable·OpenVAS
Is your org exposed to CVE-2025-40778?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.cve.org/CVERecord?id=CVE-2025-40778
cve.org
https://dbugs.ptsecurity.com/vulnerability/PT-2025-43372
dbugs.ptsecurity.com
http://repo.red-soft.ru/redos/7.3c/x86_64/updates/
repo.red-soft.ru
and 12 more references View all →
News mentions
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