Threats / NETGEAR / CVE-2020-26919
CVE-2020-26919
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
NETGEAR JGS516PE Devices vulnerability
NETGEAR JGS516PE devices lack proper function-level access controls, allowing unauthorized access to administrative functions.
Verdict
Today item — known-exploited.
Missing access control on the JGS516PE enables unauthenticated or low-privileged attackers to invoke protected administrative operations, potentially leading to device compromise, configuration tampering, or network disruption.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
5 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03).
Probability (EPSS)
EPSS 0.57195 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: NETGEAR, JGS516PE Devices. Confirm exact fixed builds in the vendor advisory.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I identify the JGS516PE device on the network and probe for unprotected administrative endpoints.
Business
Network infrastructure becomes discoverable to threat actors conducting reconnaissance.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I invoke administrative functions without proper authentication or with insufficient privilege checks.
Business
Unauthorized modifications to device configuration expose the network to further compromise.
3
Lateral reach — past segmentation narrative 3
Attacker
I alter device settings, disable security features, or redirect traffic through the compromised switch.
Business
Network availability and data integrity are compromised; lateral movement into protected segments becomes possible.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05