CVE-2026-7470

Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow

HIGH
8.8
CVSS Score
Published: April 30, 2026 at 02:30 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendor4G300 Firmware· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/360206
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/360206/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/804269
Broken LinkExploitThird Party Advisory
Source: cverecord
https://github.com/Axelioc/CVE/blob/main/Tenda/US_4G300/sub_427C3C/sub_427C3C.md
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121CWE-119

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