CVE-2025-15229 Tenda CH22 DhcpListClient fromDhcpListClient denial of service
Remote attackers can cause a denial of service on Tenda CH22 routers by manipulating the LISTLEN argument in the DhcpListClient function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15229?
CVE-2025-15229 is a medium-severity denial of service vulnerability in Tenda CH22, published on 30 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-404
Which versions are affected by CVE-2025-15229?
It affects 1 product.
Products include Tenda Ch22 Firmware.
How do I fix CVE-2025-15229?
No fix has been published for CVE-2025-15229 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-15229 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15229 exists.
Other vulnerabilities in Tenda CH22
- CVE-2025-11418 Tenda CH22 HTTP Request AdvSetWrlsafeset formWrlsafeset stack-based overflow
- CVE-2025-11423 Tenda CH22 SafeEmailFilter formSafeEmailFilter memory corruption
- CVE-2026-5604 Tenda CH22 Parameter CertLocalPrecreate formCertLocalPrecreate stack-based overflow
- CVE-2026-5605 Tenda CH22 WrlExtraSet formWrlExtraSet stack-based overflow
- CVE-2026-5204 Tenda CH22 Parameter webtypelibrary formWebTypeLibrary stack-based overflow
Sources
Also known as GHSA-6c3f-55hj-rp38.