Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-8818

Severity CVSS v4.0:
MEDIUM
Type:
CWE-77 Command Injection
Publication date:
10/08/2025
Last modified:
04/09/2025

Description

A vulnerability has been found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected by this issue is the function setDFSSetting of the file /goform/setLan. The manipulation of the argument lanNetmask/lanIp leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public 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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS v4.0 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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): Low
Integrity (VI): Low
Availability (VA): Low
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None
Exploit Maturity (E): POC

Base Score 4.0
5.30
Severity 4.0
MEDIUM
Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 6.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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

Base Score 3.x
6.30
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:L/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

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

Base Score 2.0
6.50
Severity 2.0
MEDIUM

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