Buffer overflow in Tenda M3
CVE-2025-15230
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 o…
Vulnerability class: Buffer Overflow
EPSS: 0.002 (42.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.
Affected products
- Tenda M3 — versions 1.0.0.13(4903)
Weakness classification (CWE)
References
- VDB-338626 | Tenda M3 setVlanPolicyData formSetVlanPolicy heap-based overflow (vdb-entry, technical-description)
- VDB-338626 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #725490 | Tenda M3 V1.0.0.13(4903) Heap-based Buffer Overflow (third-party-advisory)
- github.com/dwBruijn/CVEs/blob/main/Tenda/setVlanPolicy.md (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-15230?
- CVE-2025-15230 is a high-severity vulnerability in Tenda M3, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-12-30.
- How severe is CVE-2025-15230?
- High severity. CVSS v3 base score is 8.8 out of 10.