CVE-2026-17250

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

State
Published
Severity
8.5 High
Published
Aug 21, 2026
Updated
Aug 25, 2026
Reserved
Jul 24, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.08.5 HighCVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NTPLink

Weaknesses

  • CWE-121 Stack-based buffer overflow

Affected Products

ProductVersions
TL-MR6400 v7.0TP-Link Systems Inc.
  • before 1.9.0 Build 260714Affected

References

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