CVE-2026-9386

CRITICAL 9.8

Totolink A8000RU Web Management cstecgi.cgi setLanguageCfg os command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument lang leads to os command injection. The attack may be performed from remote. The exploit is publicly available and might be used.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a8000ru
Published	May 24, 2026
Last Updated	May 26, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / A8000RU

7.1cu.643_b20200521

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/365349 vuldb.com: https://vuldb.com/vuln/365349/cti vuldb.com: https://vuldb.com/submit/813432 github.com: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_333/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHuster (VulDB User)