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.
References (5)
Core 5
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-359719 | Tenda HG3 formCountrystr os command injection
https://vuldb.com/vuln/359719
Signature, Permissions Required signature
permissions-required
VDB-359719 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/359719/cti
Third Party Advisory third-party-advisory
Submit #800859 | Tenda HG3 N300 Wi-Fi xPON ONT HARD_VERSION=V2.0 , Version: 300003070 Remote code execution
https://vuldb.com/submit/800859
Product product
https://www.tenda.com.cn/
Scores
CVSS v3
8.8
EPSS
0.0327
EPSS Percentile
86.8%
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-77
CWE-78
Status
published
Products (2)
Tenda/HG3
2.0
tenda/hg3_firmware
300003070
Published
Apr 27, 2026
Tracked Since
Apr 27, 2026