CVE-2026-45557

Published: Mag 19, 2026 Last Modified: Mag 19, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,9
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 5,8
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: changed
Confidentiality: none
Integrity: none
Availability: low

Description

AI Translation Available

Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0004
Percentile
0,1th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

405

Asymmetric Resource Consumption (Amplification)

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Amplification Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)
Applicable Platforms
Technologies: Not Technology-Specific, Client Server
View CWE Details
406

Insufficient Control of Network Message Volume (Network Amplification)

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Amplification Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)
Applicable Platforms
All platforms may be affected
View CWE Details
770

Allocation of Resources Without Limits or Throttling

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other)
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
https://github.com/TechnitiumSoftware/DnsServer/blo/master/…
https://github.com/TechnitiumSoftware/DnsServer/blo/master/CHANGELOG.md#version…
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf…
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025…
https://www.cve.org/CVERecord?id=CVE-2026-45557
https://www.cve.org/CVERecord?id=CVE-2026-45557