Buffer overflow in Tenda M3
CVE-2025-15234
A weakness has been identified in Tenda M3 1.0.0.13(4903). Impacted is the function formSetRemoteInternetLanInfo of the file /goform/setInternetLanInfo. This manipulation of the argument portIp/portMask/portGateWay/portDns/portSecDns causes heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.029 (86.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.029 · change: +0.001
Affected products
- Tenda M3 — versions 1.0.0.13(4903)
- Tenda M3 Firmware — versions 1.0.0.13\(4903\), 1.0.0.13(4903)
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/dwBruijn/CVEs/blob/main/Tenda/setRemoteInternetLanInfo.md (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2025-15234?
- CVE-2025-15234 is a high-severity vulnerability in Tenda M3, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-12-30.
- How severe is CVE-2025-15234?
- High severity. CVSS v3 base score is 8.8 out of 10.