CVE-2026-7156

HIGH EPSS 75.5%
Published Apr 27, 20262mo ago · Modified Jun 17, 20261w ago
8.9 CVSS 4.0
High
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Published Apr 27, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score
8.9
Exploitability
—
Impact
—
Vector string
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

Threat Intelligence

EPSS Exploit Probability
75.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-77 Command Injection Injection
CWE-78 OS Command Injection Injection

References 5

  • github.com https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_320/README.md
  • vuldb.com https://vuldb.com/submit/801142
  • vuldb.com https://vuldb.com/vuln/359755
  • vuldb.com https://vuldb.com/vuln/359755/cti
  • totolink.net https://www.totolink.net/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.