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CVE-2026-7119

Tenda HG3 formCountrystr os command injection

HIGH
8.8
CVSS Score
Published: April 27, 2026 at 11:30 AM 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 3%
SSVC
PoC

Description

A vulnerability was detected in Tenda HG3 2.0. The impacted element is an unknown function of the file /boaform/formCountrystr. The manipulation of the argument countrystr results in os command injection. The attack may be performed from remote. The exploit is now public and may be used.

Affected

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

HG3 Firmware· Tenda
95%
300003070
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)

Third Party AdvisoryVDB Entry
Source: [email protected]
https://vuldb.com/submit/800859
VDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://vuldb.com/vuln/359719
SignaturePermissions RequiredVDB Entry
Source: [email protected]
https://vuldb.com/vuln/359719/cti
ExploitThird Party Advisory
Source: [email protected]
https://www.notion.so/Tenda-HG3-1-33d0c75766a8808d8b38e9d090cec7ab
Product
Source: [email protected]
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-77CWE-78

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