Description
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument provider leads to os command injection. The attack may be launched remotely. The exploit is publicly available and might be used.
Published: 2026-05-24
Score: 9.3 Critical
EPSS: 1.7% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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History

Fri, 29 May 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


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

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

Sun, 24 May 2026 23:15:00 +0000

Type Values Removed Values Added
Description A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument provider leads to os command injection. The attack may be launched remotely. The exploit is publicly available and might be used.
Title Totolink A8000RU Web Management cstecgi.cgi setDdnsCfg 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'}


Subscriptions

Totolink A8000ru A8000ru Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-29T18:17:12.314Z

Reserved: 2026-05-24T06:27:20.408Z

Link: CVE-2026-9404

cve-icon Vulnrichment

Updated: 2026-05-29T18:17:08.171Z

cve-icon NVD

Status : Deferred

Published: 2026-05-24T23:16:58.543

Modified: 2026-06-17T11:05:10.927

Link: CVE-2026-9404

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-25T01:00:06Z

Weaknesses