CVE-2025-41679

Unauthenticated Buffer Overflow in Conftool Service Leading to Denial of Service

HIGH
7.5
CVSS Score
Published: July 21, 2025 at 09:31 AM UTC
Updated: June 17, 2026 at 09:22 AM UTC
2 products affected across 2 vendorsMbnet.mini FirmwareREX 100

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

An unauthenticated remote attacker could exploit a buffer overflow vulnerability in the device causing a denial of service that affects only the network initializing wizard (Conftool) service.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.3.30.0.0 ≤ v < 2.3.30.0.0
Affected range stops below 2.3.3, so it looks safe — our inference, not a vendor statement
mbconnectline-mbnet-mini (same device)
0.0.0 ≤ v < 2.3.30.0.0
Affected range stops below 2.3.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2025/Jul/38

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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