CVE-2026-1689 — HIGH (7.3) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.3

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Tenda	Hg10 Firmware	-
Tenda	Hg10	-

Related Weaknesses (CWE)

CWE-74 CWE-77

References

https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/ExploitThird Party Advisory
https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/HG10/Exploit
https://vuldb.com/?ctiid.343483Permissions RequiredVDB Entry
https://vuldb.com/?id.343483Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.741411Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product

FAQ

What is CVE-2026-1689?

CVE-2026-1689 is a vulnerability with a CVSS score of 7.3 (HIGH). 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 I...

How severe is CVE-2026-1689?

CVE-2026-1689 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-1689?

Check the references section above for vendor advisories and patch information. Affected products include: Tenda Hg10 Firmware, Tenda Hg10.