Buffer overflow in Tenda O3
CVE-2025-7418
A vulnerability was found in Tenda O3V2 1.0.0.12(3880) and classified as critical. Affected by this issue is the function fromPingResultGet of the file /goform/setPing of the component httpd. The manipulation of the argument destIP leads to stack-based buffer overflow. The attack may be launched 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: 0.008 (55.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Tenda O3 — versions 2.0
- Tenda O3 Firmware — versions 1.0.0.12(3880), 1.0.0.12\(3880\)
- Tenda O3v2 — versions 1.0.0.12(3880)
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_51/51.md (related, Exploit, Third Party Advisory)
- github.com/wudipjq/my_vuln/blob/main/Tenda3/vuln_51/51.md (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2025-7418?
- CVE-2025-7418 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 2025-07-10.
- How severe is CVE-2025-7418?
- High severity. CVSS v3 base score is 8.8 out of 10.