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Description

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

PUBLISHED Reserved 2026-05-24 | Published 2026-05-25 | Updated 2026-05-27 | Assigner VulDB




CRITICAL: 9.3CVSS: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
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CRITICAL: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
10.0AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

OS Command Injection

Command Injection

Product status

7.1cu.643_b20200521
affected

Timeline

2026-05-24:Advisory disclosed
2026-05-24:VulDB entry created
2026-05-24:VulDB entry last update

Credits

LtzHust2 (VulDB User) reporter

References

vuldb.com/vuln/365459 (VDB-365459 | Totolink A8000RU Web Management cstecgi.cgi setParentalRules os command injection) vdb-entry technical-description

vuldb.com/vuln/365459/cti (VDB-365459 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/813463 (Submit #813463 | Totolink A8000RU 7.1cu.643_b20200521 Command Injection) third-party-advisory

github.com/...vuldb_new2/blob/main/A8000RU/vul_352/README.md exploit

www.totolink.net/ product

cve.org (CVE-2026-9478)

nvd.nist.gov (CVE-2026-9478)

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