TP-Link Archer MR600/TL-MR6400 v2/v3/v5/v8 VPN Configuration Management access control

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00+

Summaryinfo

A vulnerability categorized as critical has been discovered in TP-Link Archer MR600 and TL-MR6400 v2/v3/v5/v8. Affected is an unknown function of the component VPN Configuration Management. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2026-76653. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in TP-Link Archer MR600 and TL-MR6400 v2/v3/v5/v8 and classified as critical. This vulnerability affects an unknown functionality of the component VPN Configuration Management. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A missing authentication vulnerability in the VPN configuration management has been identified in Archer MR600 (v2, v3 & v5) and TL-MR6400 v8 due to improper access control; a remote unauthenticated attacker may be able to access and modify VPN configuration information without valid credentials. Successful exploitation may allow a remote unauthenticated attacker to disclose and modify VPN configuration information.

The advisory is available at tp-link.com. This vulnerability was named CVE-2026-76653 since 08/19/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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

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Productinfo

Type

Vendor

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Version

License

Website

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: 7.3
VulDB Meta Temp Score: 7.3

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

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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

08/19/2026 CVE reserved
09/10/2026 +22 days Advisory disclosed
09/10/2026 +0 days VulDB entry created
09/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: tp-link.com

Advisory: tp-link.com
Status: Not defined

CVE: CVE-2026-76653 (🔒)
GCVE (CVE): GCVE-0-2026-76653
GCVE (VulDB): GCVE-100-402214

Entryinfo

Created: 09/10/2026 22:36
Changes: 09/10/2026 22:36 (65)
Complete: 🔍
Cache ID: 216::103

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