CVE-2025-5685

Tenda Ch22 Firmware buffer overflow

8.8 HIGHPublic exploitEPSS 0.99%

Published5 Jun 2025

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 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Tenda Ch22 Firmware1.0.0.1

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://github.com/xubeining/Cve_report/blob/main/A%20remote%20code%20execution%20vulnerability%20in%20the%20router%20CH22%20V1.0.0.1%20manufactured%20by%20Shenzhen%20Jixiangtengda%20Technology%20Co.%2C%20Ltd1.mdExploitThird Party Advisory
https://vuldb.com/?ctiid.311169Permissions Required
https://vuldb.com/?id.311169Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.590153Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-5685 being actively exploited?

CVE-2025-5685 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.99%.

How severe is CVE-2025-5685?

CVE-2025-5685 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.99% probability of exploitation.

Which products are affected by CVE-2025-5685?

Affected products include Tenda Ch22 Firmware.

How do I fix CVE-2025-5685?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-5685 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.