CVE-2020-35782

moderate-risk
Published 2020-12-30

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.

Do I need to act?

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0.52% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
ADJACENT_NETWORK / LOW complexity

Affected Products (4)

Jgs524E Firmware
Jgs524Pe Firmware
Gs116E Firmware

Affected Vendors

Netgear

References (4)

Vendor Advisory https://kb.netgear.com/000062636/Security-Advisory-for-Missing-Function-Level-Ac...
Exploit https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabili...
Vendor Advisory https://kb.netgear.com/000062636/Security-Advisory-for-Missing-Function-Level-Ac...
Exploit https://research.nccgroup.com/2021/03/08/technical-advisory-multiple-vulnerabili...
37
/ 100
moderate-risk
Severity 25/34 · High
Exploitability 2/34 · Minimal
Exposure 10/34 · Low