Vulnerability details

CVE-2026-7119

Tenda HG3

Tenda HG3 formCountrystr os command injection

CVSS 4.0

8.7High

Official 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.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Tenda	HG3	2.0	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/vuln/359719 vdb-entrytechnical-description
https://vuldb.com/vuln/359719/cti signaturepermissions-required
https://vuldb.com/submit/800859 third-party-advisory
https://www.notion.so/Tenda-HG3-1-33d0c75766a8808d8b38e9d090cec7ab exploit
https://www.tenda.com.cn/ product

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Details

Published: 2026-04-27
Last updated: 2026-04-27
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

3.26%

Probability of exploitation in 30 days

88.4%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-78
OS Command Injection
CWE-77
Command Injection