CVE-2026-2911

Tenda FH451 GstDhcpSetSer buffer overflow

Assigner: VulDB
Reserved: 20.02.2026 Published: 22.02.2026 Updated: 22.02.2026

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 exploit has been disclosed to the public and may be used.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS 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
CVSS Score: 8.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CVSS Score: 8.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
CVSS Score: 9

Access Vector	Network	Confidentiality Impact	Complete
Access Complexity	Low	Integrity Impact	Complete
Authentication	Single	Availability Impact	Complete

CVSS 2.0

Product Status

Vendor	Tenda
Product	FH451
Versions	Version 1.0.0.0 is affected Version 1.0.0.1 is affected Version 1.0.0.2 is affected Version 1.0.0.3 is affected Version 1.0.0.4 is affected Version 1.0.0.5 is affected Version 1.0.0.6 is affected Version 1.0.0.7 is affected Version 1.0.0.8 is affected Version 1.0.0.9 is affected

Vendor

Tenda

Product

FH451

Versions

Version 1.0.0.0 is affected
Version 1.0.0.1 is affected
Version 1.0.0.2 is affected
Version 1.0.0.3 is affected
Version 1.0.0.4 is affected
Version 1.0.0.5 is affected
Version 1.0.0.6 is affected
Version 1.0.0.7 is affected
Version 1.0.0.8 is affected
Version 1.0.0.9 is affected

Credits

smitug01 (VulDB User) reporter

References

Problem Types