RCE in Tenda Hg10

CVE-2026-1689

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.

EPSS: 0.026 (84.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-1689?
CVE-2026-1689 is a high-severity vulnerability in Tenda Hg10, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-01-30.
How severe is CVE-2026-1689?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2026-1689 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.