CVE-2026-7538
CRITICALTotolink A8000RU CGI cstecgi.cgi vulnerability os command injection
Title source: cnaDescription
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function Vulnerability of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument proto leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used.
Scores
CVSS v3
9.8
EPSS
0.0089
EPSS Percentile
75.7%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
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
May 01, 2026
Tracked Since
May 01, 2026