CVE-2026-7240
CRITICALTotolink A8000RU CGI cstecgi.cgi setVpnAccountCfg os command injection
Title source: cnaDescription
A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument User leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.
References (5)
Core 5
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-359847 | Totolink A8000RU CGI cstecgi.cgi setVpnAccountCfg os command injection
https://vuldb.com/vuln/359847
Signature, Permissions Required signature
permissions-required
VDB-359847 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/359847/cti
Third Party Advisory third-party-advisory
Submit #802845 | Totolink A8000RU 7.1cu.643_b20200521 Command Injection
https://vuldb.com/submit/802845
Product product
https://www.totolink.net/
Scores
CVSS v3
9.8
EPSS
0.0243
EPSS Percentile
82.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-77
CWE-78
Status
published
Products (1)
Totolink/A8000RU
7.1cu.643_b20200521
Published
Apr 28, 2026
Tracked Since
Apr 28, 2026