CVE-2025-15229

Ch22 Firmware vulnerability

CVSS

5.3

EPSS

3.9%

EPSS pct

89th

Exploited

No known

A vulnerability has been found in Tenda CH22 up to 1.0.0.1. Affected by this vulnerability is the function fromDhcpListClient of the file /goform/DhcpListClient. Such manipulation of the argument LISTLEN leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected vendor

Tenda

Affected product

Ch22 Firmware

CVSS vector

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

Weakness type (CWE)

CWE-404 — Improper Resource Shutdown or Release

Published

2025-12-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2025-15229

Confirm whether Tenda Ch22 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2025-15229.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-15229

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-15229 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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