Vulnerability

CVE-2017-5521

High· 8.1KEVEXPLOITCVSS8.1EPSS94%

.rules3/5

NETGEAR Multiple Devices Exposure of Sensitive Information Vulnerability

Multiple NETGEAR devices are prone to admin password disclosure via simple crafted requests to the web management server.

Threat signal

100/100

Severe

Severity

high

CVSS

8.1

EPSS

94%

Active

KEV

CISA KEV — actively exploited

1353d overdue

AffectedNETGEAR — Multiple Devices

Added to KEV

2022-09-08

Federal patch due (BOD 22-01)

2022-09-29

Required action (CISA verbatim)

Apply updates per vendor instructions. If the affected device has since entered end-of-life, it should be disconnected if still in use.

Vendor advisory + references

CISA description: “Multiple NETGEAR devices are prone to admin password disclosure via simple crafted requests to the web management server.”

CVSS

v3.1Open in FIRST calculator →

8.1/ 10HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityHighRequires conditions outside attacker's control (race, brute-force, configuration
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

93.8%

probability of exploitation in next 30 days

p100

higher than 100% of all CVEs

3-day trend↑ 0pp

Statistically about to be weaponized — top-tier triage urgency.

Vendor VEX

No VEX statements published for CVE-2017-5521. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: yes
impact: total
mission: support

Lifecycle

2022-09-08Added to CISA KEVransomware: Unknown
2022-09-08Public exploit observedexploitdb, metasploit
2022-09-08Published
2022-09-29Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.