← Vulnerability feed

Vulnerability record · CVE-2025-7855 · published 19 July 2025

CVE-2025-7855: Tenda fh451 firmware memory buffer overflow vulnerability

Tenda · Fh451 Firmware

A vulnerability classified as critical was found in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function fromqossetting of the file /goform/qossetting. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be launched remotely.

8.7 CVSS 4.0 High EPSS 1.1% · top 36.0% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
8.7CVSS 4.0 base score, v2 9.0
1.1%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 classified as critical was found in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function fromqossetting of the file /goform/qossetting. The manipulation of the argument page leads to stack-based buffer overflow. The attack can be launched remotely.

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:X/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/panda666-888/vuls/blob/main/tenda/fh451/fromqossetting.md#poc ExploitThird Party Advisory
https://vuldb.com/?ctiid.316945 Permissions Required
https://vuldb.com/?id.316945 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.616367 Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product

Track CVE-2025-7855 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

9.8CVE-2025-45513Tenda fh451 firmware stack-based buffer overflow vulnerabilityTenda FH451 V1.0.0.9 has a stack overflow vulnerability in the function.P2pListFilter.EPSS 0.53%9.8CVE-2024-46046Tenda fh451 firmware out-of-bounds write vulnerabilityTenda FH451 v1.0.0.9 has a stack overflow vulnerability located in the RouteStatic function.EPSS 0.60%9.8CVE-2024-46048Tenda fh451 firmware command injection vulnerabilityTenda FH451 v1.0.0.9 has a command injection vulnerability in the formexeCommand function iEPSS 11%8.7CVE-2025-5080Tenda fh451 firmware memory buffer overflow vulnerabilityA vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Affected is the function webExcptypemanFilter of the file /goform/webEx…EPSS 1.0%7.5CVE-2024-46047Tenda fh451 firmware out-of-bounds write vulnerabilityTenda FH451 v1.0.0.9 has a stack overflow vulnerability in the fromDhcpListClient function.EPSS 0.61%7.4CVE-2026-4534Tenda fh451 firmware memory buffer overflow vulnerabilityA flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. This manipulation of the arg…EPSS 1.0%7.4CVE-2026-4535Tenda fh451 firmware memory buffer overflow vulnerabilityA vulnerability has been found in Tenda FH451 1.0.0.9. This vulnerability affects the function WrlclientSet of the file /goform/WrlclientSet. Such ma…EPSS 1.0%7.4CVE-2026-3678Tenda fh451 firmware memory buffer overflow vulnerabilityA vulnerability was determined in Tenda FH451 1.0.0.9. Affected is the function sub_3C434 of the file /goform/AdvSetWan. This manipulation of the arg…EPSS 0.98%

Source: NIST National Vulnerability Database (record CVE-2025-7855), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.