CVE-2026-9454
Totolink A8000RU Web Management cstecgi.cgi setOpenVpnCertGenerationCfg os command injection
Description
A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The attack may be launched remotely. The exploit has been published and may be used.
INFO
Published Date :
May 25, 2026, 11:30 a.m.
Last Modified :
May 25, 2026, 11:30 a.m.
Remotely Exploit :
No
Source :
VulDB
Affected Products
The following products are affected by CVE-2026-9454
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
- Sanitize the 'servername' argument in cgi-bin/cstecgi.cgi.
- Apply firmware updates provided by the vendor.
- Restrict remote access to the web management interface.
- Monitor logs for suspicious command execution attempts.
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).
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The following list is the news that have been mention
CVE-2026-9454 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-9454 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 flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setOpenVpnCertGenerationCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument servername can lead to os command injection. The attack may be launched remotely. The exploit has been published 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_341/README.md Added Reference https://vuldb.com/submit/813447 Added Reference https://vuldb.com/vuln/365435 Added Reference https://vuldb.com/vuln/365435/cti Added Reference https://www.totolink.net/