CVE-2026-7100

HIGH

Tenda F456 httpd Natlimit fromNatlimitof buffer overflow

Title source: cna

Description

A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipulation can lead to buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-359675 | Tenda F456 httpd Natlimit fromNatlimitof buffer overflow

https://vuldb.com/vuln/359675

Signature, Permissions Required signature permissions-required

VDB-359675 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/359675/cti

Third Party Advisory third-party-advisory

Submit #798473 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow

https://vuldb.com/submit/798473

Exploit exploit

https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_138/README.md

View Exploit ZIP pw:eip

Product product

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

Scores

CVSS v3 8.8

EPSS 0.0062

EPSS Percentile 44.8%

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