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Vulnerability record · CVE-2026-7037 · published 26 April 2026

CVE-2026-7037: Command injection vulnerability

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.

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
17 Jun 2026Last modified by NVD

Description

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.

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

LinkTags
https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_305/README.md
https://vuldb.com/submit/798484
https://vuldb.com/vuln/359617
https://vuldb.com/vuln/359617/cti
https://www.totolink.net/

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Source: NIST National Vulnerability Database (record CVE-2026-7037), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.