CVE-2026-17250CWE-121

CVE-2026-17250

published August 21, 2026

CVSS
8.5
EPSS
0%
Percentile
21.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
8.5 · NONE
CVSS v4.0
8.5 · 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
EPSS
0.00295 · 21.0th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-08-21T22:16Z
References (3)
EPSS history
Timeline
  • 21 AUG 17:16Z
    Authenticated Remote Code Execution via Stack-Based Buffer Overflow in Firmware Update Handling
    cvelistv5