Buffer overflow in Tenda Fh451
CVE-2025-7854
A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Affected is the function fromVirtualSer of the file /goform/VirtualSer. The manipulation of the argument page leads to stack-based buffer overflow. It is possibl…
Vulnerability class: Buffer Overflow
EPSS: 0.009 (75.8th 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 Fh451 — versions 1.0.0.9
Weakness classification (CWE)
References
- VDB-316944 | Tenda FH451 VirtualSer fromVirtualSer stack-based overflow (vdb-entry, technical-description)
- VDB-316944 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #616366 | Tenda FH451 v1.0.0.9 Buffer Overflow (third-party-advisory)
- github.com/panda666-888/vuls/blob/main/tenda/fh451/fromVirtualSer.md (related)
- github.com/panda666-888/vuls/blob/main/tenda/fh451/fromVirtualSer.md (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-7854?
- CVE-2025-7854 is a high-severity vulnerability in Tenda Fh451, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-07-19.
- How severe is CVE-2025-7854?
- High severity. CVSS v3 base score is 8.8 out of 10.