A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setL2tpServerCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used.

Project Subscriptions

Vendors Products
Totolink Subscribe
A8000ru Subscribe
A8000ru Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 28 May 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 25 May 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Totolink a8000ru
Vendors & Products Totolink a8000ru

Mon, 25 May 2026 08:15:00 +0000

Type Values Removed Values Added
Description A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setL2tpServerCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used.
Title Totolink A8000RU Web Management cstecgi.cgi setL2tpServerCfg os command injection
First Time appeared Totolink
Totolink a8000ru Firmware
Weaknesses CWE-77
CWE-78
CPEs cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink a8000ru Firmware
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-28T13:07:39.670Z

Reserved: 2026-05-24T07:07:32.636Z

Link: CVE-2026-9436

cve-icon Vulnrichment

Updated: 2026-05-28T13:07:36.529Z

cve-icon NVD

Status : Deferred

Published: 2026-05-25T08:16:25.277

Modified: 2026-05-26T18:59:55.850

Link: CVE-2026-9436

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-25T09:30:21Z

Weaknesses