CVE-2026-7470

HIGH

Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow

Title source: cna
STIX 2.1

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.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-360206 | Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow
https://vuldb.com/vuln/360206
Signature, Permissions Required signature permissions-required
VDB-360206 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/360206/cti
Third Party Advisory third-party-advisory
Submit #804269 | Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01 Stack-based Buffer Overflow
https://vuldb.com/submit/804269
Product product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0052
EPSS Percentile 39.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (2)
Tenda/4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01
tenda/4g300_firmware 1.01.42_cn_tdc01
Published Apr 30, 2026
Tracked Since Apr 30, 2026