Critical severity · published Apr 28, 2026
CVE-2026-7242
Totolink A8000RU CGI cstecgi.cgi setOpenVpnClientCfg os command injection
9.8
CVSS
2.5%
EPSS
No
On KEV
Description
A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setOpenVpnClientCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument enabled can lead to os command injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
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)2.5% · 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-2026-7242
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7242
github.com
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_326/README.md
vuldb.com
https://vuldb.com/submit/803265
vuldb.com
https://vuldb.com/vuln/359849
vuldb.com
https://vuldb.com/vuln/359849/cti
www.totolink.net
https://www.totolink.net/
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