CVE-2026-86167: Tenda HG10 Boa formgponConf os command injection

Vulnerability summary

CVE-2026-86167 is a critical (CVSS 9.9) Command Injection vulnerability in tenda hg10_firmware. EPSS estimates a 2.73% chance of exploitation in the next 30 days, higher than 85.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 06-09-2026
   PublishedVulnerability first disclosed.
2. 08-09-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was identified in Tenda HG10 300001138. Impacted is the function formgponConf of the file /boaform/admin/formgponConf of the component Boa. The manipulation of the argument fmgpon_loid leads to os command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.