High severity7.3NVD Advisory· Published Jan 30, 2026· Updated Apr 29, 2026

CVE-2026-1689

Description

A vulnerability was detected in Tenda HG10 US_HG7_HG9_HG10re_300001138_en_xpon. The impacted element is the function checkUserFromLanOrWan of the file /boaform/admin/formLogin of the component Login Interface. The manipulation of the argument Host results in command injection. The attack can be launched remotely. The exploit is now public and may be used.

Affected products

Tenda/Hg10 Firmware
cpe:2.3:o:tenda:hg10_firmware:-:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/formLogin-Host-command.mdnvdExploitThird Party Advisory
github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/formLogin-Host-command.mdnvdExploit
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdPermissions RequiredVDB Entry
www.tenda.com.cnnvdProduct

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

7.3/ 10

CVSS v45.5

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

Probability of exploitation in the next 30 days.

5.36%

VYPR risk score

Composite of severity, exploitation, and reach.

0.48medium

cvss	0.474
epss	0.004
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')

CVE ID

CVE-2026-1689

Credits

A(
Abcd1234 (VulDB User)
reporter