CVE-2026-5154 Tenda CH22 Parameter setcfm fromSetCfm stack-based overflow
A stack-based buffer overflow in the Tenda CH22 router allows remote attackers to execute arbitrary code via the funcname parameter.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5154?
CVE-2026-5154 is a high-severity memory corruption vulnerability in Tenda CH22, published on 30 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in Tenda CH22 1.0.0.1/1.If. The impacted element is the function fromSetCfm of the file /goform/setcfm of the component Parameter Handler. The manipulation of the argument funcname leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2026-5154?
It affects 1 product.
Products include Tenda Ch22 Firmware.
How do I fix CVE-2026-5154?
No fix has been published for CVE-2026-5154 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-5154 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5154 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-93m9-5qrj-jfw5.