What is CVE-2023-28381?

CVE-2023-28381 is a high-severity vulnerability in Peplink Surf Soho, classified under OS Command Injection. CVSS score: 7.2/10. Published 2023-10-11.

How severe is CVE-2023-28381?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Peplink Surf Soho

CVE-2023-28381

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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-10-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.059 (93.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.059 · newest: 0.059 · change: 0.000

Affected products

Peplink Surf Soho — versions hw1
Peplink Surf Soho Firmware — versions 6.3.5
Peplink Surf Soho Hw1 — versions v6.3.5 (in QEMU)

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

talosintelligence.com/vulnerability_reports/TALOS-2023-1779 (Product, Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-28381?: CVE-2023-28381 is a high-severity vulnerability in Peplink Surf Soho, classified under OS Command Injection. CVSS score: 7.2/10. Published 2023-10-11.
How severe is CVE-2023-28381?: High severity. CVSS v3 base score is 7.2 out of 10.