CVE-2026-7055

HIGH

Tenda F456 httpd VirtualSer fromVirtualSer buffer overflow

Title source: cna

Description

A security vulnerability has been detected in Tenda F456 1.0.0.5. This issue affects the function fromVirtualSer of the file /goform/VirtualSer of the component httpd. The manipulation of the argument menufacturer/Go leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/359628

[Signature, Permissions Required] https://vuldb.com/vuln/359628/cti

[Third Party Advisory] https://vuldb.com/submit/798457

[Exploit] https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_126/README.md

View Exploit ZIP pw:eip

[Product] https://www.tenda.com.cn/

Scores

CVSS v3 8.8

EPSS 0.0015

EPSS Percentile 35.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-119 CWE-120

Status published

Products (2)

Tenda/F456 1.0.0.5

tenda/f456_firmware 1.0.0.5

Published Apr 26, 2026

Tracked Since Apr 27, 2026