EUVD-2026-25874
OS Command Injection (CWE-78)
2026-04-27
VulDB
8.9
CVSS 4.0
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CVSS VectorNVD
CVSS: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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X
Lifecycle Timeline
5
PoC Detected
Apr 27, 2026 - 18:35 vuln.today
Public exploit code
Severity Changed
Apr 27, 2026 - 16:22 NVD
CRITICAL
HIGH
CVSS changed
Apr 27, 2026 - 16:22 NVD
9.8 (CRITICAL)
8.9 (HIGH)
EUVD ID Assigned
Apr 27, 2026 - 16:15 euvd
EUVD-2026-25874
CVE Published
Apr 27, 2026 - 15:30 nvd
HIGH 8.9
DescriptionNVD
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wanIdx can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
Analysis
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. …
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External POC / Exploit Code
Leaving vuln.today
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