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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Tenda
  • 4g300
  • 4g300 Firmware

Configuration 1 [-]

AND
cpe:2.3:o:tenda:4g300_firmware:1.01.42_cn_tdc01:*:*:*:*:*:*:*
cpe:2.3:h:tenda:4g300:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://github.com/Axelioc/CVE/blob/main/Tenda/US_4G300/sub_427C3C/sub_427C3C.md cve-icon cve-icon
https://vuldb.com/submit/804269 cve-icon cve-icon
https://vuldb.com/vuln/360206 cve-icon cve-icon
https://vuldb.com/vuln/360206/cti cve-icon cve-icon
https://www.tenda.com.cn/ cve-icon cve-icon
History

Thu, 30 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:h:tenda:4g300:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:4g300_firmware:1.01.42_cn_tdc01:*:*:*:*:*:*:*

Thu, 30 Apr 2026 05:15:00 +0000

Type Values Removed Values Added
First Time appeared Tenda 4g300
Vendors & Products Tenda 4g300

Thu, 30 Apr 2026 03:00:00 +0000

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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-04-30T02:30:13.346Z

Updated: 2026-04-30T02:30:13.346Z

Reserved: 2026-04-29T19:21:15.379Z

Link: CVE-2026-7470

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-04-30T03:16:01.740

Modified: 2026-04-30T20:41:24.100

Link: CVE-2026-7470

cve-icon Redhat

No data.