CVE-2026-9455

Totolink A8000RU Web Management cstecgi.cgi UploadOpenVpnCert os command injection

Published: May 25, 2026Updated: Jul 23, 2026 Sources: CVE List NVDCWE-77

9.8CRITICAL

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-77 CWE-78

Affected Products

Totolink

commercial·TWaka totolink corp.

A8000RU

Networking Infrastructure

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Execution

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References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_342/README.md

github.com

https://vuldb.com/submit/813449

vuldb.com

https://vuldb.com/vuln/365436

vuldb.com

and 2 more references View all →

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