A stack-based buffer overflow vulnerability exists in the firmware update functionality of TL-MR6400 v7 due to unsafe processing of attacker-controlled metadata within a firmware image. Successful exploitation may allow an authenticated attacker to trigger memory corruption and execute arbitrary code on the affected device.
History

Fri, 21 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link tl-mr6400 V7
Vendors & Products Tp-link
Tp-link tl-mr6400 V7

Fri, 21 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 21 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Description A stack-based buffer overflow vulnerability exists in the firmware update functionality of TL-MR6400 v7 due to unsafe processing of attacker-controlled metadata within a firmware image. Successful exploitation may allow an authenticated attacker to trigger memory corruption and execute arbitrary code on the affected device.
Title Authenticated Remote Code Execution via Stack-Based Buffer Overflow in Firmware Update Handling
Weaknesses CWE-121
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: TPLink

Published:

Updated: 2026-08-21T17:41:01.254Z

Reserved: 2026-07-24T22:03:10.608Z

Link: CVE-2026-17250

cve-icon Vulnrichment

Updated: 2026-08-21T17:40:55.960Z

cve-icon NVD

Status : Received

Published: 2026-08-21T18:16:47.450

Modified: 2026-08-21T18:16:47.450

Link: CVE-2026-17250

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T21:15:23Z