What is CVE-2021-45658?

CVE-2021-45658 is a high-severity vulnerability in Netgear D7800, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.1/10. Published 2021-12-26.

How severe is CVE-2021-45658?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2021-45658 known to be exploited?

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

Vulnerability in Netgear D7800

CVE-2021-45658

Certain NETGEAR devices are affected by server-side injection. This affects D7800 before 1.0.1.58, DM200 before 1.0.0.66, EX2700 before 1.0.1.56, EX6150v2 before 1.0.1.86, EX6100v2 before 1.0.1.86, EX6200v2 before 1.0.1.78, EX6250 before 1…

EPSS: 0.009 (55.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

Public proof-of-concept exploits

ttepatti/analyzing-netgear-ex6100

References

cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-45658?: CVE-2021-45658 is a high-severity vulnerability in Netgear D7800, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.1/10. Published 2021-12-26.
How severe is CVE-2021-45658?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2021-45658 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.