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Vulnerability record · CVE-2026-7033 · published 26 April 2026

CVE-2026-7033: Tenda f456 firmware memory buffer overflow vulnerability

Tenda · F456 Firmware

A vulnerability has been found in Tenda F456 1.0.0.5. Affected by this vulnerability is the function fromSafeClientFilter of the file /goform/SafeClientFilter. Such manipulation of the argument menufacturer/Go leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

7.4 CVSS 4.0 High EPSS 1.0% · top 38.4% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability has been found in Tenda F456 1.0.0.5. Affected by this vulnerability is the function fromSafeClientFilter of the file /goform/SafeClientFilter. Such manipulation of the argument menufacturer/Go leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_123/README.md ExploitThird Party Advisory
https://vuldb.com/submit/798454 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/359613 Third Party AdvisoryVDB Entry
https://vuldb.com/vuln/359613/cti Permissions RequiredVDB Entry
https://www.tenda.com.cn/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.4CVE-2026-7098Tenda f456 firmware memory buffer overflow vulnerabilityA security vulnerability has been detected in Tenda F456 1.0.0.5. Impacted is the function fromDhcpListClient of the file /goform/DhcpListClient of t…EPSS 1.0%7.4CVE-2026-7099Tenda f456 firmware memory buffer overflow vulnerabilityA vulnerability was detected in Tenda F456 1.0.0.5. The affected element is the function formQuickIndex of the file /goform/QuickIndex of the compone…EPSS 1.0%7.4CVE-2026-7100Tenda f456 firmware memory buffer overflow vulnerabilityA flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd.…EPSS 1.0%7.4CVE-2026-7101Tenda f456 firmware memory buffer overflow vulnerabilityA vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component ht…EPSS 1.0%7.4CVE-2026-7097Tenda f456 firmware memory buffer overflow vulnerabilityA weakness has been identified in Tenda F456 1.0.0.5. This issue affects the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilt…EPSS 1.0%7.4CVE-2026-7081Tenda f456 firmware memory buffer overflow vulnerabilityA vulnerability was detected in Tenda F456 1.0.0.5. Affected is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component htt…EPSS 1.0%7.4CVE-2026-7082Tenda f456 firmware memory buffer overflow vulnerabilityA flaw has been found in Tenda F456 1.0.0.5. Affected by this vulnerability is the function formWrlExtraSet of the file /goform/WrlExtraSet of the co…EPSS 1.0%7.4CVE-2026-7080Tenda f456 firmware memory buffer overflow vulnerabilityA security vulnerability has been detected in Tenda F456 1.0.0.5. This impacts the function fromPPTPUserSetting of the file /goform/PPTPUserSetting o…EPSS 1.0%

Source: NIST National Vulnerability Database (record CVE-2026-7033), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.