Lenovo Personal Cloud X1 prior 5.5.6.t2s.3 os command injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Lenovo Personal Cloud T2s, Personal Cloud T2Pro, Personal Cloud X1s, Home Storage Hub T20, Home Storage Hub X20, Personal Cloud T1, Personal Cloud A1, Personal Cloud A1s, Personal Cloud T2 and Personal Cloud X1 and classified as critical. Affected is an unknown function. Such manipulation leads to os command injection. This vulnerability is documented as CVE-2026-6281. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Lenovo Personal Cloud T2s, Personal Cloud T2Pro, Personal Cloud X1s, Home Storage Hub T20, Home Storage Hub X20, Personal Cloud T1, Personal Cloud A1, Personal Cloud A1s, Personal Cloud T2 and Personal Cloud X1. It has been rated as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A potential vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow a remote authenticated user on the local network to execute arbitrary commands on the device.

The weakness was released by Wang Jincheng and Yu Le. The advisory is available at iknow.lenovo.com.cn. This vulnerability is handled as CVE-2026-6281 since 04/14/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 5.5.6.t2s.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-30040). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Cloud Software

Vendor

• Lenovo

Name

• Home Storage Hub T20
• Home Storage Hub X20
• Personal Cloud A1
• Personal Cloud A1s
• Personal Cloud T1
• Personal Cloud T2
• Personal Cloud T2Pro
• Personal Cloud T2s
• Personal Cloud X1
• Personal Cloud X1s

License

• commercial

Website

• Vendor: https://www.lenovo.com/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (lenovo): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Personal Cloud T2s/Personal Cloud T2Pro/Personal Cloud X1s/Home Storage Hub T20/Home Storage Hub X20/Personal Cloud T1/Personal Cloud A1/Personal Cloud A1s/Personal Cloud T2/Personal Cloud X1 5.5.6.t2s.3

Timelineinfo

04/14/2026 CVE reserved
05/13/2026 +29 days Advisory disclosed
05/13/2026 +0 days VulDB entry created
05/14/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: lenovo.com

Advisory: iknow.lenovo.com.cn
Researcher: Wang Jincheng, Yu Le
Status: Confirmed

CVE: CVE-2026-6281 (🔒)
GCVE (CVE): GCVE-0-2026-6281
GCVE (VulDB): GCVE-100-363626
EUVD: 🔒

Entryinfo

Created: 05/13/2026 18:16
Updated: 05/14/2026 00:33
Changes: 05/13/2026 18:16 (76), 05/14/2026 00:33 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

Do you want to use VulDB in your project?

Use the official API to access entries easily!