Auth bypass in Comtrend Ar-5310

CVE-2019-25483

Comtrend AR-5310 GE31-412SSG-C01_R10.A2pG039u.d24k contains a restricted shell escape vulnerability that allows local users to bypass command restrictions by using the command substitution operator $( ). Attackers can inject arbitrary commands through the $( ) syntax when passed as arguments to allowed commands like ping to execute unrestricted shell access.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-25483: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-25483?
CVE-2019-25483 is a high-severity vulnerability in Comtrend Ar-5310, classified under Missing Authentication for Critical Function. CVSS score: 8.4/10. Published 2026-03-11.
How severe is CVE-2019-25483?
High severity. CVSS v3 base score is 8.4 out of 10.