CVE-2026-7469 Tenda 4G300 DelFil sub_425A28 command injection

Medium 5.3 Published 30 Apr 2026 Updated 30 Apr 2026

Remote attackers can execute arbitrary commands on Tenda 4G300 routers via the DelFil interface, requiring immediate attention from network administrators.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-7469?

CVE-2026-7469 is a medium-severity command injection vulnerability in Tenda 4G300, published on 30 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was detected in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01. This impacts the function sub_425A28 of the file /goform/DelFil. The manipulation of the argument delflag results in command injection. The attack may be launched remotely. The exploit is now public and may be used.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2026-7469?

It affects 1 product.

Products include Tenda 4g300 Firmware.

How do I fix CVE-2026-7469?

No fix has been published for CVE-2026-7469 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-2026-7469 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7469 exists.

Sources

Also known as GHSA-g5fj-9fvp-2rvq.