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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.

PUBLISHED Reserved 2026-04-29 | Published 2026-04-30 | Updated 2026-05-04 | Assigner VulDB




HIGH: 8.7CVSS: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
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

US_4G300V1.0Mt_V1.01.42_CN_TDC01
affected

Timeline

2026-04-29:Advisory disclosed
2026-04-29:VulDB entry created
2026-04-29:VulDB entry last update

Credits

Haaalion (VulDB User) reporter

References

vuldb.com/vuln/360206 (VDB-360206 | Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/360206/cti (VDB-360206 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/804269 (Submit #804269 | Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01 Stack-based Buffer Overflow) third-party-advisory

github.com/...b/main/Tenda/US_4G300/sub_427C3C/sub_427C3C.md broken-link exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-7470)

nvd.nist.gov (CVE-2026-7470)

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