Critical severity · published May 25, 2026
CVE-2026-9478
Totolink A8000RU Web Management cstecgi.cgi setParentalRules os command injection
9.8
CVSS
1.9%
EPSS
No
On KEV
Description
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
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)1.9% · higher than 80% 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-2026-9478
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9478
github.com
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_352/README.md
vuldb.com
https://vuldb.com/submit/813463
vuldb.com
https://vuldb.com/vuln/365459
vuldb.com
https://vuldb.com/vuln/365459/cti
www.totolink.net
https://www.totolink.net/
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