CVE-2026-7470

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 4.0

7.4CVSS: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

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-26)

CWEs

CWE-119, CWE-121

Published

2026-04-30

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• tenda:4g300_firmware

References

• https://github.com/Axelioc/CVE/blob/main/Tenda/US_4G300/sub_427C3C/sub_427C3C.md
• https://vuldb.com/submit/804269
• https://vuldb.com/vuln/360206
• https://vuldb.com/vuln/360206/cti
• https://www.tenda.com.cn/

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