CVE-2026-7204

CRITICAL

Totolink A8000RU CGI cstecgi.cgi setPptpServerCfg os command injection

Title source: cna

Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setPptpServerCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument enable causes os command injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-359804 | Totolink A8000RU CGI cstecgi.cgi setPptpServerCfg os command injection

https://vuldb.com/vuln/359804

Signature, Permissions Required signature permissions-required

VDB-359804 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/vuln/359804/cti

Product product

https://www.totolink.net/

Third Party Advisory third-party-advisory

Submit #801530 | Totolink A8000RU 7.1cu.643_b20200521 Command Injection

https://vuldb.com/submit/801530

Exploit exploit

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_323/README.md

View Exploit ZIP pw:eip

Scores

CVSS v3 9.8

EPSS 0.0245

EPSS Percentile 82.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 Apr 28, 2026

Tracked Since Apr 28, 2026