Critical severity · published May 25, 2026
CVE-2026-9476
Totolink A8000RU Web Management cstecgi.cgi setPasswordCfg os command injection
9.8
CVSS
1.9%
EPSS
No
On KEV
Description
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument admpass leads to os command injection. The attack can be executed remotely. The exploit is publicly available and might 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)1.9% · 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-2026-9476
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9476
github.com
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_348/README.md
vuldb.com
https://vuldb.com/submit/813459
vuldb.com
https://vuldb.com/vuln/365457
vuldb.com
https://vuldb.com/vuln/365457/cti
www.totolink.net
https://www.totolink.net/
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