What’s Vulnerable › Vulnerabilities

CVE-2020-35783

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-30 · updated 2026-06-17

Description

Certain NETGEAR devices are affected by lack of access control at the function level. This affects JGS516PE before 2.6.0.48, GS116Ev2 before 2.6.0.48, JGS524Ev2 before 2.6.0.48, and JGS524PE before 2.6.0.48. The NSDP protocol version allows unauthenticated remote attackers to obtain all the switch configuration parameters by sending the corresponding read requests.

Affected products

• NETGEAR Gs116E Firmware: before 2.6.0.48 — fixed in 2.6.0.48
• NETGEAR Jgs516Pe Firmware: before 2.6.0.48 — fixed in 2.6.0.48
• NETGEAR Jgs524E Firmware: before 2.6.0.48 — fixed in 2.6.0.48
• NETGEAR Jgs524Pe Firmware: before 2.6.0.48 — fixed in 2.6.0.48

How to fix

Upgrade to a fixed version: NETGEAR Gs116E Firmware 2.6.0.48; NETGEAR Jgs516Pe Firmware 2.6.0.48; NETGEAR Jgs524E Firmware 2.6.0.48; NETGEAR Jgs524Pe Firmware 2.6.0.48. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000062637/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0383
• https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/
• https://kb.netgear.com/000062637/Security-Advisory-for-Missing-Function-Level-Access-Control-on-Some-Smart-Managed-Plus-Switches-PSV-2020-0383
• https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabilities-in-netgear-prosafe-plus-jgs516pe-gs116ev2-switches/

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