CVE-2026-7470CWE-119CWE-121

Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow

High · published April 30, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
61.0
In the wild
Unconfirmed
What it is

A flaw has been found in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01. Affected is the function sub_427C3C of the file /goform/SafeMacFilter. This manipulation of the argument page causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00955 · 61.0th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-04-30T02:30Z
EPSS history
Timeline
  • 30 APR 02:30Z
    Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow
    cvelistv5