CVE-2026-7054

Tenda F456 httpd PPTPDClient fromPptpUserAdd buffer overflow

Assigner: VulDB
Reserved: 26.04.2026 Published: 26.04.2026 Updated: 27.04.2026

A weakness has been identified in Tenda F456 1.0.0.5. This vulnerability affects the function fromPptpUserAdd of the file /goform/PPTPDClient of the component httpd. Executing a manipulation of the argument opttype/usernamewith can lead to buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

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	F456
Versions	Version 1.0.0.5 is affected

Vendor

Tenda

Product

F456

Versions

Version 1.0.0.5 is affected

Credits

LtzHuster2 (VulDB User) reporter

References

Problem Types