Merlin.PHP 0.6.6 on AsusWRT-Merlin exec.php input validation ⚔ [Disputed]

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in Merlin.PHP 0.6.6 on AsusWRT-Merlin and classified as critical. Impacted is an unknown function of the file exec.php. This manipulation causes input validation. This vulnerability is tracked as CVE-2018-18320. The attack is possible to be carried out remotely. No exploit exists. The presence of this vulnerability remains uncertain at this time.

Detailsinfo

A vulnerability classified as critical was found in Merlin.PHP 0.6.6 on AsusWRT-Merlin (Programming Language Software). Affected by this vulnerability is an unknown part of the file exec.php. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

** DISPUTED ** An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution.

The weakness was disclosed 10/15/2018 (Website). The advisory is shared at blog.51cto.com. This vulnerability is known as CVE-2018-18320 since 10/15/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The real existence of this vulnerability is still doubted at the moment. By approaching the search of inurl:exec.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-125316 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/15/2018 🔍
10/15/2018 +0 days 🔍
10/15/2018 +0 days 🔍
10/15/2018 +0 days 🔍
08/05/2024 +2121 days 🔍

Sourcesinfo

Advisory: 26
Status: Not defined
Disputed: 🔍

CVE: CVE-2018-18320 (🔍)
GCVE (CVE): GCVE-0-2018-18320
GCVE (VulDB): GCVE-100-125317
See also: 🔍

Entryinfo

Created: 10/15/2018 15:45
Updated: 08/05/2024 17:02
Changes: 10/15/2018 15:45 (38), 04/02/2020 11:46 (19), 05/25/2023 13:08 (3), 08/05/2024 17:02 (28)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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