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Vulnerability record · CVE-2025-5685 · published 5 June 2025

CVE-2025-5685: Tenda ch22 firmware memory buffer overflow vulnerability

Tenda · Ch22 Firmware

A vulnerability, which was classified as critical, was found in Tenda CH22 1.0.0.1. This affects the function formNatlimit of the file /goform/Natlimit. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

8.7 CVSS 4.0 High EPSS 0.99% · top 39.0% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
8.7CVSS 4.0 base score, v2 9.0
0.99%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability, which was classified as critical, was found in Tenda CH22 1.0.0.1. This affects the function formNatlimit of the file /goform/Natlimit. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack 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: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/xubeining/Cve_report/blob/main/A%20remote%20code%20execution%20vulnerability%20in%20the%20router%20CH ExploitThird Party Advisory
https://vuldb.com/?ctiid.311169 Permissions Required
https://vuldb.com/?id.311169 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.590153 Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product
https://github.com/xubeining/Cve_report/blob/main/A%20remote%20code%20execution%20vulnerability%20in%20the%20router%20CH ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2024-46045Tenda ch22 firmware out-of-bounds write vulnerabilityTenda CH22 V1.0.0.6(468) has a stack overflow vulnerability located in the frmL7PlotForm function.EPSS 0.58%9.8CVE-2024-46044Tenda ch22 firmware out-of-bounds write vulnerabilityCH22 V1.0.0.6(468) has a stack overflow vulnerability located in the fromqossetting function.EPSS 0.62%8.9CVE-2025-11423Tenda ch22 firmware memory buffer overflow vulnerabilityA vulnerability was found in Tenda CH22 1.0.0.1. This affects the function formSafeEmailFilter of the file /goform/SafeEmailFilter. Performing a mani…EPSS 0.86%8.9CVE-2025-11418Tenda ch22 firmware memory buffer overflow vulnerabilityA security vulnerability has been detected in Tenda CH22 up to 1.0.0.1. This issue affects the function formWrlsafeset of the file /goform/AdvSetWrls…EPSS 6.7%8.7CVE-2025-9748Tenda ch22 firmware memory buffer overflow vulnerabilityA vulnerability was determined in Tenda CH22 1.0.0.1. Affected by this issue is the function fromIpsecitem of the file /goform/IPSECsave of the compo…EPSS 0.85%8.7CVE-2025-5619Tenda ch22 firmware memory buffer overflow vulnerabilityA vulnerability, which was classified as critical, has been found in Tenda CH22 1.0.0.1. This issue affects the function formaddUserName of the file …EPSS 1.3%7.4CVE-2026-5605Tenda ch22 firmware memory buffer overflow vulnerabilityA weakness has been identified in Tenda CH22 1.0.0.1. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. Executing a manipula…EPSS 0.89%7.4CVE-2026-5604Tenda ch22 firmware memory buffer overflow vulnerabilityA security flaw has been discovered in Tenda CH22 1.0.0.1. The impacted element is the function formCertLocalPrecreate of the file /goform/CertLocalP…EPSS 0.89%

Source: NIST National Vulnerability Database (record CVE-2025-5685), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.