Buffer overflow in Tenda M3
CVE-2025-9298
A flaw has been found in Tenda M3 1.0.0.12. Affected is the function formQuickIndex of the file /goform/QuickIndex. Executing manipulation of the argument PPPOEPassword can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published 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 (64.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.6% 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 M3 — versions 1.0.0.12
- Tenda M3 Firmware — versions 1.0.0.12
Weakness classification (CWE)
Public proof-of-concept exploits
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/davybat/IoT-Vuls/blob/main/tenda/formQuickIndex.md (related, Exploit, Third Party Advisory)
- github.com/davybat/IoT-Vuls/blob/main/tenda/formQuickIndex.md (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2025-9298?
- CVE-2025-9298 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 2025-08-21.
- How severe is CVE-2025-9298?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-9298 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.