CVE-2026-7151

Tenda HG3 formIPv6Routing formUploadConfig stack-based overflow

HIGH
8.8
CVSS Score
Published: April 27, 2026 at 07:15 PM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorHG3 Firmware· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

tenda-hg3 (same device)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/359750
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/359750/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/802058
ExploitThird Party Advisory
Source: cverecord
https://www.notion.so/33e0c75766a88041bd86d3810994a541
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121CWE-119

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