CVE-2026-7136

CRITICAL 9.8

Totolink A8000RU CGI cstecgi.cgi setDmzCfg os command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wanIdx can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a8000ru
Published	Apr 27, 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/359735 vuldb.com: https://vuldb.com/vuln/359735/cti vuldb.com: https://vuldb.com/submit/801007 github.com: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_311/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHuster2 (VulDB User)