CVE-2026-9388 - Totolink A8000RU Web Management cstecgi.cgi setScheduleCfg os command injection

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CRITICAL

Totolink A8000RU Web Management cstecgi.cgi setScheduleCfg os command injection

Published May 24, 2026

9.3

CRITICAL

CVSS 4.0

EPSS 3.25%

Description

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument mode can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

Vendor TOTOLINK Product n/a Default
n/a
- Version
  7.1cu.643_b20200521
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

TOTOLINK

n/a

Version	Status	Constraints
7.1cu.643_b20200521	affected	-

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-77

CWE-78

OS Command Injection

References (5)

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_335/README.md
exploit
https://vuldb.com/submit/813434
third-party-advisory
https://vuldb.com/vuln/365351
vdb-entrytechnical-description
https://vuldb.com/vuln/365351/cti
signaturepermissions-required
https://www.totolink.net/
product

Link	Providers	Tags
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_335/README.md		exploit
https://vuldb.com/submit/813434		third-party-advisory
https://vuldb.com/vuln/365351		vdb-entrytechnical-description
https://vuldb.com/vuln/365351/cti		signaturepermissions-required
https://www.totolink.net/		product