CVE-2026-7244

CRITICAL 9.8

Totolink A8000RU CGI cstecgi.cgi setWiFiEasyGuestCfg os command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument merge results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a8000ru
Published	Apr 28, 2026

Stay Ahead of the Next One

Get instant alerts for totolink a8000ru

Be the first to know when new critical vulnerabilities affecting totolink a8000ru are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

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/359851 vuldb.com: https://vuldb.com/vuln/359851/cti vuldb.com: https://vuldb.com/submit/803267 github.com: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_328/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHust2 (VulDB User)