CVE-2026-9455
Totolink A8000RU Web Management cstecgi.cgi UploadOpenVpnCert os command injection
Description
A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument FileName leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
INFO
Published Date :
May 25, 2026, 11:45 a.m.
Last Modified :
May 25, 2026, 11:45 a.m.
Remotely Exploit :
No
Source :
VulDB
Affected Products
The following products are affected by CVE-2026-9455
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
- Update the firmware for the Totolink A8000RU.
- Disable the Web Management Interface if not needed.
- Restrict access to the Web Management Interface.
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CVE-2026-9455 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-9455 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
May. 25, 2026
Action Type Old Value New Value Added Description A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument FileName leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CWE CWE-78 Added CWE CWE-77 Added Reference https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_342/README.md Added Reference https://vuldb.com/submit/813449 Added Reference https://vuldb.com/vuln/365436 Added Reference https://vuldb.com/vuln/365436/cti Added Reference https://www.totolink.net/