CVE-2020-35782

Certain NETGEAR devices are affected by lack of access control at the function level. This...

8.1 High

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.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: High

Exploit likelihood

1.67%Up 0.9 points since Apr 14, 2021

What each source reports

CVE List Score used 8.1

Record: CVE-2020-35782
CVSS 3.1: 8.1 HighCVSS:3.1/AC:L/AV:A/A:H/C:N/I:H/PR:N/S:U/UI:N
Updated: 2026-11-02

EUVDEUVD-2020-23437 8.1

Record: EUVD-2020-23437
CVSS 3.1: 8.1 HighCVSS:3.1/AC:L/AV:A/A:H/C:N/I:H/PR:N/S:U/UI:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-j8r6-c45m-jv6q No score

Certain NETGEAR devices are affected by lack of access control at the function level. This...

Record: GHSA-j8r6-c45m-jv6q
Updated: 2026-11-02

NVD 8.1

Record: CVE-2020-35782
CVSS 3.1: 8.1 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0: 7.8 HighAV:A/AC:L/Au:N/C:N/I:C/A:C
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-35782 is a high vulnerability (CVSS 8.1) in Netgear Gs116e Firmware, published December 29, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.67%, the 77th percentile. No source names a fixed version.