CVE-2026-76653Missing Authentication in VPN Configuration Management in TP-Link TL-MR6400 and Archer MR600
Updated under an hour ago ()
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It affects TP-Link Systems Inc. TL-MR6400 v8 and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.3 MEDIUM (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-126
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- TPLink
- NVD analysis
- Deferred
- Record last updated
- Sep 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TP-Link Systems Inc. TL-MR6400 v8 tp_link_systems:tl_mr6400_v8 (from the name) | before 1.5.0 0.9.1 v0001.0 Build 260610 Rel.67978n | CNA record |
TP-Link Systems Inc. Archer MR600 tp_link_systems:archer_mr600 (from the name) | from v3 before MR600(EU)_V3_1.4.0 Build 260827; from v2 before MR600(EU)_V2_1.12.0 Build 2600826 | CNA record |
References
- https://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmwarepatch
- https://www.tp-link.com/en/support/download/archer-mr600/v5/#Firmwarepatch
- https://www.tp-link.com/us/support/faq/5292/vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.