ZyXEL PK5001Z credentials management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in ZyXEL PK5001Z. It has been rated as critical. Affected by this vulnerability is an unknown functionality. The manipulation with the input zyad5001 leads to credentials management. This vulnerability is traded as CVE-2016-10401. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in ZyXEL PK5001Z (Router Operating System) (version unknown). It has been rated as critical. This issue affects an unknown function. The manipulation with the input value zyad5001 leads to a credentials management vulnerability. Using CWE to declare the problem leads to CWE-255. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

ZyXEL PK5001Z devices have zyad5001 as the su password, which makes it easier for remote attackers to obtain root access if a non-root account password is known (or a non-root default account exists within an ISP's deployment of these devices).

The bug was discovered 01/20/2016. The weakness was shared 07/25/2017 (Website). The advisory is shared at forum.openwrt.org. The identification of this vulnerability is CVE-2016-10401 since 07/25/2017. The attack may be initiated remotely. The successful exploitation requires a simple authentication. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1552 for this issue.

The exploit is available 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 552 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38702 (ZyXEL PK5001Z Default Credentials Detected).

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 (43105). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.5

VulDB Base Score: 8.8
VulDB Temp Score: 8.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD 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: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103161
OpenVAS Name: ZyXEL PK5001Z Modem Backup Telnet Account and Default Root Credentials
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/20/2016 🔍
07/25/2017 +552 days 🔍
07/25/2017 +0 days 🔍
07/25/2017 +0 days 🔍
07/26/2017 +1 days 🔍
07/26/2024 +2557 days 🔍

Sourcesinfo

Vendor: zyxel.com

Advisory: forum.openwrt.org
Status: Not defined

CVE: CVE-2016-10401 (🔍)
GCVE (CVE): GCVE-0-2016-10401
GCVE (VulDB): GCVE-100-104489
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/26/2017 10:14
Updated: 07/26/2024 03:14
Changes: 07/26/2017 10:14 (64), 11/01/2019 09:40 (4), 07/26/2024 03:14 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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