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Critical severity · published May 24, 2026
CVE-2026-9384
Totolink A8000RU Web Management cstecgi.cgi setDiagnosisCfg os command injection
9.8
CVSS
1.7%
EPSS
No
On KEV
Description
A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument ip results in os command injection. The attack can be executed 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)1.7% · higher than 78% 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-2026-9384
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9384
github.com
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_331/README.md
vuldb.com
https://vuldb.com/submit/813429
vuldb.com
https://vuldb.com/vuln/365347
vuldb.com
https://vuldb.com/vuln/365347/cti
www.totolink.net
https://www.totolink.net/
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