CVE-2026-86167: OS Command Injection in Tenda HG10
Description
CVE-2026-86167 is a critical OS command injection vulnerability in the Tenda HG10 device. It affects the formgponConf function in the /boaform/admin/formgponConf component. The vulnerability arises from improper handling of the fmgpon_loid argument, allowing remote attackers to execute arbitrary OS commands. Exploit code is publicly available, increasing the risk of exploitation. No patch or remediation information is currently provided by the vendor.
CVSS v4.0
Score 9.4critical
Affected software
Tenda
HG10
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Tenda HG10 300001138 involves the formgponConf function within the Boa component. The argument fmgpon_loid is not properly sanitized, enabling an attacker to inject OS commands remotely. The vulnerability has a CVSS 4.0 score of 9.4, indicating critical severity with network attack vector, low attack complexity, no privileges or user interaction required, and high impacts on confidentiality, integrity, availability, and security requirements. Public exploit code exists, but no official patch or fix details are available.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially leading to full compromise of the device's confidentiality, integrity, and availability. This could enable unauthorized control, data theft, or disruption of device functionality.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected device's management interface to trusted sources only and monitor for suspicious activity related to the vulnerable function.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-05T10:32:11.111Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9cee13acd9273b493a24c4
Added to database: 09/06/2026, 04:37:39 UTC
Last enriched: 09/15/2026, 00:52:57 UTC
Last updated: 10/21/2026, 13:22:15 UTC
Views: 96
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