Vulnerability record · CVE-2026-9432 · published 25 May 2026

CVE-2026-9432: Command injection vulnerability

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.

8.9 CVSS 4.0 High EPSS 3.3% · top 12.1% CWE-77 · Command injectionCWE-78 · OS command injection Deferred

8.9CVSS 4.0 base score, v2 10.0

3.3%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

23 Jul 2026Last modified by NVD

Description

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:

References

Link	Tags
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.totolink.net/

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Source: NIST National Vulnerability Database (record CVE-2026-9432), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.