Vulnerability details

CVE-2026-7470

Tenda 4G300

Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow

CVSS 4.0

8.7High

Official 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.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`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`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Tenda	4G300	US_4G300V1.0Mt_V1.01.42_CN_TDC01	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/vuln/360206 vdb-entrytechnical-description
https://vuldb.com/vuln/360206/cti signaturepermissions-required
https://vuldb.com/submit/804269 third-party-advisory
https://github.com/Axelioc/CVE/blob/main/Tenda/US_4G300/sub_427C3C/sub_427C3C.md broken-linkexploit
https://www.tenda.com.cn/ product

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Details

Published: 2026-04-30
Last updated: 2026-05-04
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.51%

Probability of exploitation in 30 days

44.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-121
Stack-based Buffer Overflow
CWE-119
Memory Corruption