Buffer overflow in Tenda Rx3
CVE-2025-3259
A vulnerability, which was classified as critical, has been found in Tenda RX3 16.03.13.11. This issue affects the function formSetDeviceName of the file /goform/SetOnlineDevName. The manipulation of the argument devName leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
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: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Tenda Rx3 — versions 16.03.13.11
- Tenda Rx3 Firmware — versions 16.03.13.11_multi
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- sixth-action-50e.notion.site/Tenda-RX3-Buffer-Overflow-1c9f6468377380a2977cd6c3… (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (product, VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-3259?
- CVE-2025-3259 is a high-severity vulnerability in Tenda Rx3, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-04-04.
- How severe is CVE-2025-3259?
- High severity. CVSS v3 base score is 8.8 out of 10.