Critical severity · published Apr 10, 2026
CVE-2026-6028
Totolink A7100RU CGI cstecgi.cgi setPptpServerCfg os command injection
9.8
CVSS
3%
EPSS
No
On KEV
Description
A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function setPptpServerCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may 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)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A7
A7100RU · Totolink
7.4cu.2313_b20191024 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6028
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6028
github.com
https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_173/README.md
vuldb.com
https://vuldb.com/submit/792049
vuldb.com
https://vuldb.com/vuln/356604
vuldb.com
https://vuldb.com/vuln/356604/cti
www.totolink.net
https://www.totolink.net/
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