HOMEVULNERABILITIESCVE-2020-35802
HIGH

CVE-2020-35802

NVD-CWE-noinfoPublished: December 30, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects CBR40 before 2.5.0.14, RBW30 before 2.6.1.4, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RBK842 before 3.2.16.6, RBR840 before 3.2.16.6, RBS840 before 3.2.16.6, and RBS40V before 2.6.1.4.

NVD Source

Technical Analysis

CVE-2020-35802 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

netgear28 product(s)
cbr40 firmwarecbr40rbw30 firmwarerbw30rax75 firmwarerax75rax80 firmwarerax80rbk752 firmwarerbk752rbr750 firmwarerbr750+16
Source: NVD CPE · 28 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://kb.netgear.com/000062720/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-WiFi-Systems-PSV-2020-0331
ADVISORYhttps://kb.netgear.com/000062720/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-WiFi-Systems-PSV-2020-0331

All References (2)

→
https://kb.netgear.com/000062720/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-WiFi-Systems-PSV-2020-0331Vendor Advisory
→
https://kb.netgear.com/000062720/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-Routers-and-WiFi-Systems-PSV-2020-0331Vendor Advisory

Quick Facts

CVE IDCVE-2020-35802
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedDec 30, 2020

Related CVEs (NVD-CWE-noinfo)

CVE-2011-1054
10.0
CVE-2011-1050
10.0
CVE-2010-4473
10.0
CVE-2010-4744
10.0
CVE-2012-1402
10.0
CVE-2011-0053
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-35802 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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