CVE-2026-1689 Tenda HG10 Login formLogin checkUserFromLanOrWan command injection
Remote attackers can execute arbitrary commands on Tenda HG10 routers via the login interface, requiring immediate attention from network administrators.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1689?
CVE-2026-1689 is a medium-severity command injection vulnerability in Tenda HG10, published on 30 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-1689?
It affects 1 product.
Products include Tenda Hg10 Firmware.
How do I fix CVE-2026-1689?
No fix has been published for CVE-2026-1689 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-1689 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1689 exists.
Other vulnerabilities in Tenda HG10
Sources
Also known as GHSA-9256-w668-cg6v.