CVE-2026-76652
TP-Link · published 2026-09-10
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by TPLink via the CVE Program.
An authenticated directory traversal vulnerability in file upload functionality has been identified in Archer MR600 (v2, v3 & v5) and TL-MR6400 v8. Due to insufficient validation of user-supplied file information, an authenticated remote attacker with access to the affected upload functionality could upload a specially crafted file and cause it to be written outside the intended directory. Successful exploitation could allow an authenticated remote attacker to write files to unintended locations, potentially overwriting or modifying files accessible to the affected service; arbitrary code execution has not been demonstrated.
Status at the source
- NVD status: Deferred — NVD has not analysed this CVE.
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| TP-Link Systems Inc. | TL-MR6400 v8 | 0 – before 1.5.0 0.9.1 v0001.0 Build 260610 Rel.67978n: affected |
| TP-Link Systems Inc. | Archer MR600 | v3 – before MR600(EU)_V3_1.4.0 Build 260827: affected v5 – before MR600(EU)_V5_1.9.0 Build 260805: affected v2 – before MR600(EU)_V2_1.12.0 Build 2600826: affected |
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 4.0: 4.8 MEDIUM — as published by TPLink (Secondary)
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://www.tp-link.com/en/support/download/archer-mr600/v5/#Firmware
- https://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmware
- https://www.tp-link.com/us/support/faq/5292/
Source dates: published 2026-09-10, last changed 2026-09-11. DeSpy's copy of this version is dated 2026-09-28.
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