Vulnerability record · CVE-2026-1690 · published 30 January 2026

CVE-2026-1690: Tenda hg10 firmware injection vulnerability

Tenda · Hg10 Firmware

A flaw has been found in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. This affects the function system of the file /boaform/formSysCmd. This manipulation of the argument sysCmd causes command injection. The attack may be initiated remotely. The exploit has been published and may be used.

2.0 CVSS 4.0 Low EPSS 4.7% · top 8.4% CWE-74 · InjectionCWE-77 · Command injection

2.0CVSS 4.0 base score, v2 5.8

4.7%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Hg10 Firmware Tenda

References

Link	Tags
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/formSysCmd-sysCmd-command.md	ExploitThird Party Advisory
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/formSysCmd-sysCmd-command.md#poc	Exploit
https://vuldb.com/?ctiid.343484	Permissions RequiredVDB Entry
https://vuldb.com/?id.343484	Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.741425	Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/	Product

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-1690), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.