CVE-2026-17250

UNKNOWN 0.0

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

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121
Vendor	tp-link systems inc.
Product	tl-mr6400 v7.0
Published	Aug 21, 2026
Last Updated	Aug 21, 2026

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Affected Versions

TP-Link Systems Inc. / TL-MR6400 v7.0

0 < 1.9.0 Build 260714

References

NVD ↗ CVE.org ↗ EPSS Data ↗

tp-link.com: https://www.tp-link.com/en/support/download/tl-mr6400/v7/#Firmware tp-link.com: https://www.tp-link.com/tw/support/download/tl-mr6400/v7/#Firmware tp-link.com: https://www.tp-link.com/us/support/faq/5259/

Credits

Rui Cheng Yu (Hina)