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CVE-2021-29082· NVD / CVE Program· CNA mitre

Certain NETGEAR devices are affected by disclosure of sensitive information.

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects RBW30 before 2.6.1.4, RBS40V before 2.6.1.4, RBK752 before 3.2.15.25, RBK753 before 3.2.15.25, RBK753S before 3.2.15.25, RBK754 before 3.2.15.25, RBR750 before 3.2.15.25, RBS750 before 3.2.15.25, RBK852 before 3.2.15.25, RBK853 before 3.2.15.25, RBK854 before 3.2.15.25, RBR850 before 3.2.15.25, and RBS850 before 3.2.15.25.

HighCVSS 8.8 · v3.1—No exploit No fix recorded

Noroxi analysis

No Noroxi analysis for this record yet

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Published
Mar 23, 2021
Updated
Jun 16, 2026
EPSS
0.4% · 32th percentile
CWE
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Report tools

JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CNA vs NVD score

NVD
8.8
CNA · mitre
9.6
0.8 point gap

CVSS:3.1/AC:L/AV:A/A:L/C:H/I:H/PR:N/S:C/UI:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
netgearrbw30 firmware
netgearrbw30
netgearrbs40v firmware
netgearrbs40v
netgearrbk752 firmware
netgearrbk752
netgearrbk753 firmware
netgearrbk753
netgearrbk753s firmware
netgearrbk753s
netgearrbk754 firmware
netgearrbk754

and 14 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • netgear rbk752 firmwarebefore 3.2.15.25
  • netgear rbk753 firmwarebefore 3.2.15.25
  • netgear rbk753s firmwarebefore 3.2.15.25
  • netgear rbk754 firmwarebefore 3.2.15.25
  • netgear rbk852 firmwarebefore 3.2.15.25
  • netgear rbk853 firmwarebefore 3.2.15.25
  • netgear rbk854 firmwarebefore 3.2.15.25
  • netgear rbr750 firmwarebefore 3.2.15.25
  • netgear rbr850 firmwarebefore 3.2.15.25
  • netgear rbs40v firmwarebefore 2.6.1.4
  • netgear rbs750 firmwarebefore 3.2.15.25
  • netgear rbs850 firmwarebefore 3.2.15.25
  • netgear rbw30 firmwarebefore 2.6.1.4

Same product

netgear: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-29077Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.
    38Monitor
  • CVE-2021-29067Certain NETGEAR devices are affected by authentication bypass.
    38Monitor
  • CVE-2021-29081Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.
    33Monitor
  • CVE-2021-29075Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user.
    33Monitor
  • CVE-2021-29074Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user.
    33Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone on the same network segment can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
low · data or configuration can be modified
Availability
low · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Adjacent
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
Low
Availability impact
Low

Weakness class (CWE)

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CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records