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Vulnerability IntelligenceCVE-2026-9432

CVE-2026-9432

CRITICAL9.8

Totolink A8000RU Web Management cstecgi.cgi setWiFiAdvancedCfg os command injection

Published May 25, 2026

Modified 4 weeks ago

Details

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setWiFiAdvancedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument bgProtection results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_353/README.md

https://vuldb.com/submit/813905

https://vuldb.com/vuln/365413

https://vuldb.com/vuln/365413/cti

https://www.cve.org/CVERecord?id=CVE-2026-9432

https://www.totolink.net/

CVSS Analysis

CVSS v4.0

9.3

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

HighVC:H

Vuln. Integrity

HighVI:H

Vuln. Availability

HighVA:H

Subsequent System

Subseq. Confidentiality

NoneSC:N

Subseq. Integrity

NoneSI:N

Subseq. Availability

NoneSA:N

9.3/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

Weakness Type (CWE)

Injection

OS Command Injection

Input Validation

Command Injection

Ecosystems

Timeline

PublishedMay 25, 2026

ModifiedMay 26, 2026

CVE-2026-9432 | Mondoo Vulnerability Intelligence