What is CVE-2021-39280?

CVE-2021-39280 is a high-severity vulnerability in Korenix Jetwave 2212g. CVSS score: 8.8/10. Published 2022-02-06.

How severe is CVE-2021-39280?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-39280 known to be exploited?

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

Vulnerability in Korenix Jetwave 2212g

CVE-2021-39280

Certain Korenix JetWave devices allow authenticated users to execute arbitrary code as root via /syscmd.asp. This affects 2212X before 1.9.1, 2212S before 1.9.1, 2212G before 1.8, 3220 V3 before 1.5.1, 3420 V3 before 1.5.1, and 2311 through 2022-01-31.

Published 2022-02-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.korenix.com/en/product/search.aspx (Product, Vendor Advisory)
packetstormsecurity.com/files/165875/Korenix-Technology-JetWave-CSRF-Command-In… (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-39280?: CVE-2021-39280 is a high-severity vulnerability in Korenix Jetwave 2212g. CVSS score: 8.8/10. Published 2022-02-06.
How severe is CVE-2021-39280?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-39280 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.