CVE-2026-7121
published 2026-04-27CVE-2026-7121: A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI…
PriorityP271critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.95%
77.7th percentile
A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| totolink | a8000ru | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.9HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
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GHSA
GHSA-5gx4-cx4f-8j9p: A flaw has been found in Totolink A8000RU 7
ghsa_unreviewed·2026-04-27
CVE-2026-7121 [HIGH] CWE-77 GHSA-5gx4-cx4f-8j9p: A flaw has been found in Totolink A8000RU 7
A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.
VulDB
Totolink A8000RU 7.1cu.643_b20200521 CGI /cgi-bin/cstecgi.cgi setWizardCfg wizard os command injection
vuldb·2026-04-26·CVSS 8.9
CVE-2026-7121 [HIGH] Totolink A8000RU 7.1cu.643_b20200521 CGI /cgi-bin/cstecgi.cgi setWizardCfg wizard os command injection
A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521 and classified as critical. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection.
The identification of this vulnerability is CVE-2026-7121. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-04-27
Published