0.0
NA
CVE-2026-9435
Totolink A8000RU Web Management cstecgi.cgi setQosCfg os command injection
Description

A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function setQosCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument enable results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used.

INFO

Published Date :

May 25, 2026, 6:45 a.m.

Last Modified :

May 25, 2026, 6:45 a.m.

Remotely Exploit :

No

Source :

VulDB
Affected Products

The following products are affected by CVE-2026-9435 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
The vulnerability is due to command injection in the Web Management Interface. Update the firmware to the latest version.
  • Update the device firmware to the latest version.
  • Restrict access to the Web Management Interface.
  • Disable the QoS functionality if not required.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-9435 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.