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Vulnerability record · CVE-2023-28381 · published 11 October 2023

CVE-2023-28381: Peplink surf soho firmware os command injection vulnerability

Peplink · Surf Soho Firmware

An OS command injection vulnerability exists in the admin.cgi MVPN_trial_init functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

8.8 CVSS 3.1 High EPSS 5.9% · top 7.0% CWE-78 · OS command injection
8.8CVSS 3.1 base score
5.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An OS command injection vulnerability exists in the admin.cgi MVPN_trial_init functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1779 ExploitProductThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1779 ExploitProductThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1779

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-28381), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.