What is CVE-2016-2331?

CVE-2016-2331 is a critical-severity vulnerability in Systech Syslink Sl-1000 Modular Gateway, classified under CWE-255. CVSS score: 9.8/10. Published 2016-04-25.

How severe is CVE-2016-2331?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-2331 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Systech Syslink Sl-1000 Modular Gateway

CVE-2016-2331

The web interface on SysLINK SL-1000 Machine-to-Machine (M2M) Modular Gateway devices with firmware before 01A.8 has a default password, which makes it easier for remote attackers to obtain access via unspecified vectors.

Published 2016-04-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (83.9th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-255

Public proof-of-concept exploits

ivision-research/disclosures

References

www.kb.cert.org/vuls/id/822980 (US Government Resource, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2016-2331?: CVE-2016-2331 is a critical-severity vulnerability in Systech Syslink Sl-1000 Modular Gateway, classified under CWE-255. CVSS score: 9.8/10. Published 2016-04-25.
How severe is CVE-2016-2331?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-2331 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.