What is CVE-2026-2911?

CVE-2026-2911 is a high-severity vulnerability in Tenda Fh451, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2026-02-22.

How severe is CVE-2026-2911?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Tenda Fh451

CVE-2026-2911

A vulnerability has been found in Tenda FH451 up to 1.0.0.9. This issue affects some unknown processing of the file /goform/GstDhcpSetSer. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The explo…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (28.6th 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 1.0.0.0, 1.0.0.1, 1.0.0.2

Weakness classification (CWE)

References

VDB-347220 | Tenda FH451 GstDhcpSetSer buffer overflow (vdb-entry)
VDB-347220 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #755218 | Tenda FH451 V1.0.0.9 Buffer overflow vulnerability (third-party-advisory)
vuln.ricky.place/Tenda/FH451/ (exploit)
www.tenda.com.cn/ (product)

Frequently asked questions

What is CVE-2026-2911?: CVE-2026-2911 is a high-severity vulnerability in Tenda Fh451, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2026-02-22.
How severe is CVE-2026-2911?: High severity. CVSS v3 base score is 8.8 out of 10.