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

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CVE-2018-18319

Severity CVSS v4.0:
Pending analysis
Type:
CWE-94 Code Injection
Publication date:
15/10/2018
Last modified:
05/08/2024

Description

An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because api.php has an eval call, as demonstrated by the /6/api.php?function=command&class=remote&Cc='ls' URI. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:asuswrt-merlin_project:rt-ac5300_firmware:*:*:*:*:*:*:*:* 380.70 (including)
cpe:2.3:h:asuswrt-merlin_project:rt-ac5300:-:*:*:*:*:*:*:*
cpe:2.3:o:asuswrt-merlin_project:rt_ac1900p_firmware:*:*:*:*:*:*:*:* 380.70 (including)
cpe:2.3:h:asuswrt-merlin_project:rt_ac1900p_:-:*:*:*:*:*:*:*
cpe:2.3:o:asuswrt-merlin_project:rt-ac68u_firmware:*:*:*:*:*:*:*:* 380.70 (including)
cpe:2.3:h:asuswrt-merlin_project:rt-ac68u:-:*:*:*:*:*:*:*
cpe:2.3:o:asuswrt-merlin_project:rt-ac68p_firmware:*:*:*:*:*:*:*:* 380.70 (including)
cpe:2.3:h:asuswrt-merlin_project:rt-ac68p:-:*:*:*:*:*:*:*
cpe:2.3:o:asuswrt-merlin_project:rt-ac88u_firmware:*:*:*:*:*:*:*:* 380.70 (including)
cpe:2.3:h:asuswrt-merlin_project:rt-ac88u:-:*:*:*:*:*:*:*
cpe:2.3:o:asuswrt-merlin_project:rt-ac66u_b1_firmware:*:*:*:*:*:*:*:* 380.70 (including)
cpe:2.3:h:asuswrt-merlin_project:rt-ac66u_b1:-:*:*:*:*:*:*:*
cpe:2.3:o:asuswrt-merlin_project:rt-ac56u_firmware:*:*:*:*:*:*:*:* 380.70 (including)
cpe:2.3:h:asuswrt-merlin_project:rt-ac56u:-:*:*:*:*:*:*:*
cpe:2.3:o:asuswrt-merlin_project:rt-ac3200_firmware:*:*:*:*:*:*:*:* 380.70 (including)

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


References to Advisories, Solutions, and Tools