TeamViewer DEX up to 21 1E-Explorer-TachyonCore-CheckSimpleIoC input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in TeamViewer DEX up to 21. It has been classified as critical. Impacted is an unknown function of the component 1E-Explorer-TachyonCore-CheckSimpleIoC. The manipulation leads to input validation. This vulnerability is traded as CVE-2025-64987. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in TeamViewer DEX up to 21. It has been rated as critical. This issue affects an unknown code block of the component 1E-Explorer-TachyonCore-CheckSimpleIoC. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A command injection vulnerability was discovered in TeamViewer DEX (former 1E DEX), specifically within the 1E-Explorer-TachyonCore-CheckSimpleIoC instruction. Improper input validation, allowing authenticated attackers with Actioner privileges to inject arbitrary commands. Exploitation enables remote execution of elevated commands on devices connected to the platform.

The weakness was shared with Lockheed Martin Red Team. It is possible to read the advisory at teamviewer.com. The identification of this vulnerability is CVE-2025-64987 since 11/12/2025. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/11/2025).

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.2
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

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

11/12/2025 CVE reserved
12/11/2025 +29 days Advisory disclosed
12/11/2025 +0 days VulDB entry created
12/11/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: teamviewer.com
Organization: Lockheed Martin Red Team
Status: Confirmed

CVE: CVE-2025-64987 (🔒)
GCVE (CVE): GCVE-0-2025-64987
GCVE (VulDB): GCVE-100-335879

Entryinfo

Created: 12/11/2025 15:15
Changes: 12/11/2025 15:15 (61)
Complete: 🔍
Cache ID: 216::103

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