CVE-2026-9433

CRITICAL 9.8

Totolink A8000RU Web Management cstecgi.cgi setMacFilterRules 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. This issue affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument enable causes os command injection. The attack may be initiated 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 25, 2026
Last Updated	May 26, 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/365414 vuldb.com: https://vuldb.com/vuln/365414/cti vuldb.com: https://vuldb.com/submit/813906 github.com: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_354/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHuster2 (VulDB User)