CVE-2024-4252 Tenda i22 formSetUrlFilterRule stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda i22 router via the formSetUrlFilterRule function, potentially leading to code execution.
- 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-2024-4252?
CVE-2024-4252 is a high-severity memory corruption vulnerability in Tenda i22, published on 27 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability classified as critical has been found in Tenda i22 1.0.0.3(4687). This affects the function formSetUrlFilterRule. The manipulation of the argument groupIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-262143. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2024-4252?
It affects 1 product.
Products include Tenda I22 Firmware.
How do I fix CVE-2024-4252?
No fix has been published for CVE-2024-4252 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-2024-4252 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-4252 exists.
Other vulnerabilities in Tenda i22
- CVE-2025-9297 Tenda i22 wxportalauth formWeixinAuthInfoGet stack-based overflow
- CVE-2024-7582 Tenda i22 apPortalAccessCodeAuth formApPortalAccessCodeAuth buffer overflow
- CVE-2024-7583 Tenda i22 apPortalOneKeyAuth formApPortalOneKeyAuth buffer overflow
- CVE-2024-7584 Tenda i22 apPortalPhoneAuth formApPortalPhoneAuth buffer overflow
- CVE-2024-7585 Tenda i22 apPortalAuth formApPortalWebAuth buffer overflow
Sources
Also known as GHSA-cgq2-cjx2-777w.