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 re…
Vulnerability class: Buffer Overflow
EPSS: 0.006 (68.7th percentile) — read the EPSS interpretation.
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/E:P/RL:X/RC:R.
Affected products
- Tenda M3 — versions 1.0.0.12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-320903 | Tenda M3 QuickIndex formQuickIndex stack-based overflow (vdb-entry, technical-description)
- VDB-320903 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #632335 | Tenda M3 v1.0.0.12 Buffer Overflow (third-party-advisory)
- github.com/davybat/IoT-Vuls/blob/main/tenda/formQuickIndex.md (related)
- github.com/davybat/IoT-Vuls/blob/main/tenda/formQuickIndex.md (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-9298?
- CVE-2025-9298 is a high-severity vulnerability in Tenda M3, classified under Stack-based Buffer Overflow. 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.