CVE-2026-9406

CRITICAL 9.8

Totolink A8000RU Web Management cstecgi.cgi setRemoteCfg os command injection

CVSS Score

9.8

EPSS Score

0.9%

EPSS Percentile

76th

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setRemoteCfg 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 made available to the public and could be used for attacks.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a8000ru
Published	May 24, 2026
Last Updated	May 27, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / A8000RU

7.1cu.643_b20200521

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/365387 vuldb.com: https://vuldb.com/vuln/365387/cti vuldb.com: https://vuldb.com/submit/813441 github.com: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_338/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHuster (VulDB User)