CVE-2026-9436

9.8 CRITICAL

A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521

Published: 2026-05-25 · Last updated: 2026-05-26

Severity and scoring

CVSS: 9.8 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-77, CWE-78

Description

A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setL2tpServerCfg 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 can be executed remotely. The exploit has been published and may be used.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-9436
[Other]https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_357/README.md
[Other]https://vuldb.com/submit/813461
[Other]https://vuldb.com/submit/813909
[Other]https://vuldb.com/vuln/365417
[Other]https://vuldb.com/vuln/365417/cti
[Other]https://www.totolink.net/

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