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CVE-2020-35782

HIGH
8.1
CVSS Score
Published: December 29, 2020 at 11:41 PM UTC
Updated: June 17, 2026 at 03:14 AM UTC
8 products affected across 1 vendorJGS516PE FirmwareGS116E FirmwareJGS524E Firmware

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Severity
HIGH8.1
Exploit prediction
EPSS 2%

Description

Certain NETGEAR devices are affected by lack of access control at the function level. This affects JGS516PE before 2.6.0.48, JGS524Ev2 before 2.6.0.48, JGS524PE before 2.6.0.48, and GS116Ev2 before 2.6.0.48. The TFTP firmware update mechanism does not properly implement firmware validations, allowing remote attackers to write arbitrary data to internal memory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GS116E Firmware· NETGEAR
95%
v < 2.6.0.48
Affected range stops below 2.6.0.48, so it looks safe — our inference, not a vendor statement
netgear-gs116e (same device)
JGS516PE Firmware· NETGEAR
95%
v < 2.6.0.48
Affected range stops below 2.6.0.48, so it looks safe — our inference, not a vendor statement
netgear-jgs516pe (same device)
JGS524E Firmware· NETGEAR
95%
v < 2.6.0.48
Affected range stops below 2.6.0.48, so it looks safe — our inference, not a vendor statement
netgear-jgs524e (same device)
JGS524PE Firmware· NETGEAR
95%
v < 2.6.0.48
Affected range stops below 2.6.0.48, so it looks safe — our inference, not a vendor statement
netgear-jgs524pe (same device)
Gs116E· NETGEARdevice
80%
All versions
Jgs516Pe· NETGEARdevice
80%
All versions
Jgs524E· NETGEARdevice
80%
All versions
Jgs524Pe· NETGEARdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://kb.netgear.com/000062636/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0378
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/

CVSS

8.1HIGHmitre
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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