Buffer overflow in Tenda O3
CVE-2025-12210
A vulnerability was identified in Tenda O3 1.0.0.10(2478). Affected by this vulnerability is the function SetValue/GetValue of the file /goform/AdvSetLanip. The manipulation of the argument lanIp leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might 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 (63.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.001
Affected products
- Tenda O3 — versions 2.0, 1.0.0.10(2478)
- Tenda O3 Firmware1.0.0.10\(2478\)
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/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/AdvSetLanip.md (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2025-12210?
- CVE-2025-12210 is a high-severity vulnerability in Tenda O3, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-10-27.
- How severe is CVE-2025-12210?
- High severity. CVSS v3 base score is 8.8 out of 10.