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High 8.8Published Apr 29, 2026

CVE-2026-7470Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow

Updated under an hour ago ()

This data is behind schedule: last updated Oct 26, 2026, 9:00 PM ET. We are working on it.Behind: CVE records (cvelistV5).

Does this affect you?

It affects Tenda 4G300. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
8.8 HIGH (v3.1, CNA)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
Weakness (CWE)
CWE-121, CWE-119
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulDB
NVD analysis
Analyzed
Record last updated
May 4, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Tenda 4G300
tenda:4g300_firmware
US_4G300V1.0Mt_V1.01.42_CN_TDC01
CNA record
tenda 4g300_firmware
tenda:4g300_firmware
1.01.42_cn_tdc01
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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