Public mode

No access to your tenant or devices. Every item links to its source. What this means

CVE-2026-76653

Missing Authentication in VPN Configuration Management in TP-Link TL-MR6400 and Archer MR600

CVSS 4.0 5.3 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-76653

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-76653

Published

TL-MR6400 v8

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "TP-Link Systems Inc.",
                    "product": "TL-MR6400 v8",
                    "platforms": [
                        "Linux"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "1.5.0 0.9.1 v0001.0 Build 260610 Rel.67978n",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Archer MR600

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "TP-Link Systems Inc.",
                    "product": "Archer MR600",
                    "platforms": [
                        "Linux"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "v3",
                            "lessThan": "MR600(EU)_V3_1.4.0 Build 260827",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "v2",
                            "lessThan": "MR600(EU)_V2_1.12.0 Build 2600826",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON