CVE-2026-7154

CRITICAL 9.8

Totolink A8000RU CGI cstecgi.cgi setAdvancedInfoShow os command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument tty_server can lead to os command injection. The attack can be launched 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	Apr 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/359753 vuldb.com: https://vuldb.com/vuln/359753/cti vuldb.com: https://vuldb.com/submit/801140 github.com: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_318/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHuster2 (VulDB User)