Critical severity · published Apr 28, 2026
CVE-2026-7241
Totolink A8000RU CGI cstecgi.cgi setWiFiBasicCfg os command injection
9.8
CVSS
2.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A8
A8000RU · Totolink
7.1cu.643_b20200521 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7241
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7241
github.com
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_325/README.md
vuldb.com
https://vuldb.com/submit/803086
vuldb.com
https://vuldb.com/vuln/359848
vuldb.com
https://vuldb.com/vuln/359848/cti
www.totolink.net
https://www.totolink.net/
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