Compal Broadband Networks CG6640E Wireless Gateway 1.0 Default Password credentials management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.3$0-$5k0.00

A vulnerability was found in Compal Broadband Networks CG6640E Wireless Gateway 1.0. It has been declared as very critical. This vulnerability affects an unknown code block of the component Default Password. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Compal Broadband Networks (CBN) CH6640E and CG6640E Wireless Gateway 1.0 with firmware CH6640-3.5.11.7-NOSH have a default password of (1) admin for the admin account and (2) compalbn for the root account, which makes it easier for remote attackers to obtain access to certain sensitive information via unspecified vectors.

The weakness was released 11/06/2014 (Website). The advisory is available at zeroscience.mk. This vulnerability was named CVE-2014-8656 since 11/06/2014. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/03/2022). This vulnerability is assigned to T1552 by the MITRE ATT&CK project.

A public exploit has been developed by LiquidWorm and been published before and not just after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (35075). Entries connected to this vulnerability are available at 72827, 72825, 72824 and 72823.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.8
VulDB Temp Score: 9.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
ATT&CK: T1552

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: LiquidWorm
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2014 🔍
10/27/2014 +0 days 🔍
11/06/2014 +10 days 🔍
11/06/2014 +0 days 🔍
11/06/2014 +0 days 🔍
03/27/2015 +141 days 🔍
04/03/2022 +2564 days 🔍

Sourcesinfo

Advisory: 128860
Status: Confirmed

CVE: CVE-2014-8656 (🔍)
OSVDB: 113836

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/27/2015 14:56
Updated: 04/03/2022 14:36
Changes: 03/27/2015 14:56 (43), 04/09/2018 16:34 (13), 04/03/2022 14:36 (3)
Complete: 🔍

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