CVE-2026-7037

CRITICAL 9.8

Totolink A8000RU CGI cstecgi.cgi setVpnPassCfg os command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

CWE	CWE-78 CWE-77
Vendor	totolink
Product	a8000ru
Published	Apr 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/359617 vuldb.com: https://vuldb.com/vuln/359617/cti vuldb.com: https://vuldb.com/submit/798484 github.com: https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_305/README.md totolink.net: https://www.totolink.net/

Credits

🔍 LtzHuster (VulDB User)