CVE-2026-7101

HIGH

Tenda F456 httpd WrlclientSet fromWrlclientSet buffer overflow

Title source: cna

Description

A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component httpd. The manipulation leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-359676 | Tenda F456 httpd WrlclientSet fromWrlclientSet buffer overflow

https://vuldb.com/vuln/359676

Product product

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

Signature, Permissions Required signature permissions-required

VDB-359676 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/359676/cti

Third Party Advisory third-party-advisory

Submit #798474 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow

https://vuldb.com/submit/798474

Exploit exploit

https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_139/README.md

View Exploit ZIP pw:eip

Scores

CVSS v3 8.8

EPSS 0.0064

EPSS Percentile 45.7%

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 27, 2026

Tracked Since Apr 27, 2026