Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-9246

Severity CVSS v4.0:
HIGH
Type:
CWE-119 Buffer Errors
Publication date:
20/08/2025
Last modified:
02/09/2025

Description

A flaw has been found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. Impacted is the function check_port_conflict of the file /goform/check_port_conflict. Executing manipulation of the argument single_port_rule/port_range_rule can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Impact

Vector 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P CVSS v4.0 Severity and Metrics:

Base Score: 7.40 HIGH
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None
Exploit Maturity (E): POC

Base Score 4.0
7.40
Severity 4.0
HIGH
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.00 HIGH
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linksys:re6250_firmware:1.0.04.001:*:*:*:*:*:*:*
cpe:2.3:h:linksys:re6250:-:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re6300_firmware:1.2.07.001:*:*:*:*:*:*:*
cpe:2.3:h:linksys:re6300:-:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re6350_firmware:1.0.04.001:*:*:*:*:*:*:*
cpe:2.3:h:linksys:re6350:-:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re7000_firmware:1.1.05.003:*:*:*:*:*:*:*
cpe:2.3:h:linksys:re7000:-:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re9000_firmware:1.0.04.002:*:*:*:*:*:*:*
cpe:2.3:h:linksys:re9000:-:*:*:*:*:*:*:*
cpe:2.3:o:linksys:re6500_firmware:1.0.013.001:*:*:*:*:*:*:*
cpe:2.3:h:linksys:re6500:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools