CVE-2025-15230 Tenda M3 setVlanPolicyData formSetVlanPolicy heap-based overflow
Remote attackers can trigger a heap-based buffer overflow in the Tenda M3 router via the setVlanPolicyData endpoint, potentially leading to code execution or service disruption.
- 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-2025-15230?
CVE-2025-15230 is a high-severity memory corruption vulnerability in Tenda M3, published on 30 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Tenda M3 1.0.0.13(4903). Affected by this issue is the function formSetVlanPolicy of the file /goform/setVlanPolicyData. Performing a manipulation of the argument qvlan_truck_port results in heap-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used.
Which versions are affected by CVE-2025-15230?
It affects 1 product.
Products include Tenda M3 Firmware.
How do I fix CVE-2025-15230?
No fix has been published for CVE-2025-15230 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-2025-15230 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15230 exists.
Other vulnerabilities in Tenda M3
Sources
Also known as GHSA-p4vf-r6x6-527x.