CVE-2026-7156
published 2026-04-27CVE-2026-7156: A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI…
PriorityP273critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.79%
75.5th percentile
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument HTTP results in os command injection. The attack may be launched remotely. The exploit is now public 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-fx2h-83x2-wxcj: A vulnerability was detected in Totolink A8000RU 7
ghsa_unreviewed·2026-04-27
CVE-2026-7156 [HIGH] CWE-77 GHSA-fx2h-83x2-wxcj: A vulnerability was detected in Totolink A8000RU 7
A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument HTTP results in os command injection. The attack may be launched remotely. The exploit is now public and may be used.
VulDB
Totolink A8000RU 7.1cu.643_b20200521 CGI /cgi-bin/cstecgi.cgi CsteSystem HTTP os command injection
vuldb·2026-04-26·CVSS 8.9
CVE-2026-7156 [HIGH] Totolink A8000RU 7.1cu.643_b20200521 CGI /cgi-bin/cstecgi.cgi CsteSystem HTTP os command injection
A vulnerability labeled as critical has been found in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function CsteSystem of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument HTTP results in os command injection.
This vulnerability is cataloged as CVE-2026-7156. The attack may be launched remotely. Furthermore, there is an exploit available.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-04-27
Published