CVE-2026-7244
CRITICALTotolink A8000RU CGI cstecgi.cgi setWiFiEasyGuestCfg os command injection
Title source: cnaDescription
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.
Scores
CVSS v3
9.8
EPSS
0.0089
EPSS Percentile
75.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-77
CWE-78
Status
published
Products (1)
Totolink/A8000RU
7.1cu.643_b20200521
Published
Apr 28, 2026
Tracked Since
Apr 28, 2026