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Critical severity · published May 24, 2026
CVE-2026-9388
Totolink A8000RU Web Management cstecgi.cgi setScheduleCfg os command injection
9.8
CVSS
2.1%
EPSS
No
On KEV
Description
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument mode can lead to os command injection. It is possible to launch the attack remotely. 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)2.1% · higher than 82% 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
Affected product
A8
A8000RU
Totolink
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9388
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9388
github.com
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_335/README.md
vuldb.com
https://vuldb.com/submit/813434
vuldb.com
https://vuldb.com/vuln/365351
vuldb.com
https://vuldb.com/vuln/365351/cti
www.totolink.net
https://www.totolink.net/
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