CVE-2025-11423 Tenda CH22 SafeEmailFilter formSafeEmailFilter memory corruption
Remote attackers can trigger memory corruption in the Tenda CH22 router via the SafeEmailFilter interface, potentially leading to code execution or service disruption.
- 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-2025-11423?
CVE-2025-11423 is a critical memory corruption vulnerability in Tenda CH22, published on 8 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function formSafeEmailFilter of the file /goform/SafeEmailFilter. Performing a manipulation of the argument page results in memory corruption. The attack is possible to be carried out remotely. The exploit has been made public and could be used.
Weakness: CWE-119
Which versions are affected by CVE-2025-11423?
It affects 1 product.
Products include Tenda Ch22 Firmware.
How do I fix CVE-2025-11423?
No fix has been published for CVE-2025-11423 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-2025-11423 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11423 exists.
Other vulnerabilities in Tenda CH22
- CVE-2025-11418 Tenda CH22 HTTP Request AdvSetWrlsafeset formWrlsafeset stack-based overflow
- 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
- CVE-2026-5152 Tenda CH22 createFileName formCreateFileName stack-based overflow
Sources
Also known as GHSA-vh9p-m232-vmm5.