CVE-2026-7470

Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow

Published Apr 30, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:h:tenda:4g300:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:4g300_firmware:1.01.42_cn_tdc01:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Tenda 4g300
Vendors & Products Tenda 4g300
Type Values Removed Values Added
Description 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.
Title Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow
First Time appeared Tenda
Tenda 4g300 Firmware
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:o:tenda:4g300_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda 4g300 Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
May 4, 2026, 1:22 PM
Reserved
Apr 29, 2026, 7:21 PM
Status
Analyzed
Published
Apr 30, 2026, 3:16 AM
Modified
Oct 26, 2026, 9:10 PM