CVE-2026-7151

HIGH

Tenda HG3 formIPv6Routing formUploadConfig stack-based overflow

Title source: cna

Description

A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/359750

[Signature, Permissions Required] https://vuldb.com/vuln/359750/cti

[Third Party Advisory] https://vuldb.com/submit/802058

[Exploit] https://www.notion.so/33e0c75766a88041bd86d3810994a541

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

Scores

CVSS v3 8.8

EPSS 0.0008

EPSS Percentile 22.6%

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-121

Status published

Products (1)

Tenda/HG3 2.0

Published Apr 27, 2026

Tracked Since Apr 28, 2026