CVE-2026-9434

CRITICAL 9.8

Totolink A8000RU Web Management cstecgi.cgi setWiFiWpsCfg os command injection

CVSS Score

9.8

EPSS Score

0.9%

EPSS Percentile

76th

A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setWiFiWpsCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument wscDisabled leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a8000ru
Published	May 25, 2026
Last Updated	May 28, 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/365415 vuldb.com: https://vuldb.com/vuln/365415/cti vuldb.com: https://vuldb.com/submit/813907 github.com: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_355/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHuster2 (VulDB User)