Vulnerabilities CVE-2026-17250

CVE-2026-17250

High

Open

TLP:CLEAR

Authenticated Remote Code Execution via Stack-Based Buffer Overflow in Firmware Update Handling

NVD CVE.org

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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.

Details

CVSS Score: 8.5
CVSS 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
Confidence: 90%
Published: Aug 21, 2026
Last Modified: Aug 25, 2026

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