CVE-2026-7241

CRITICAL 9.8

Totolink A8000RU CGI cstecgi.cgi setWiFiBasicCfg os command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wifiOff results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a8000ru
Published	Apr 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/359848 vuldb.com: https://vuldb.com/vuln/359848/cti vuldb.com: https://vuldb.com/submit/803086 github.com: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_325/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHust2 (VulDB User)