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)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-359628 | Tenda F456 httpd VirtualSer fromVirtualSer buffer overflow

https://vuldb.com/vuln/359628

Signature, Permissions Required signature permissions-required

VDB-359628 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/359628/cti

Third Party Advisory third-party-advisory

Submit #798457 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow

https://vuldb.com/submit/798457

Exploit exploit

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

View Exploit ZIP pw:eip

Product product

https://www.tenda.com.cn/

Scores

CVSS v3 8.8

EPSS 0.0065

EPSS Percentile 46.1%

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