Buffer overflow in Tenda Rx3
CVE-2025-5527
A vulnerability was found in Tenda RX3 16.03.13.11_multi_TDE01. It has been rated as critical. This issue affects the function save_staticroute_data of the file /goform/SetStaticRouteCfg. The manipulation of the argument list 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: 0.119 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.098 · newest: 0.119 · change: +0.021
Affected products
- Tenda Rx3 — versions 1.0, 16.03.13.11_multi_TDE01
- 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)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/alc9700jmo/CVE/issues/13 (issue-tracking, Exploit, exploit, Issue Tracking)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2025-5527?
- CVE-2025-5527 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 2025-06-03.
- How severe is CVE-2025-5527?
- High severity. CVSS v3 base score is 8.8 out of 10.