Certain NETGEAR devices are affected by administrative password disclosure.
Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220 before V1.0.0.28, D6400 before V1.0.0.60, D8500 before V1.0.3.29, DGN2200v4 before 1.0.0.82, DGN2200Bv4 before 1.0.0.82, R6300v2 before 1.0.4.8, R6400 before 1.0.1.20, R6700 before 1.0.1.20, R6900 before 1.0.1.20, R7000 before 1.0.7.10, R7100LG before V1.0.0.32, R7300DST before 1.0.0.52, R7900 before 1.0.1.16, R8000 before 1.0.3.36, R8300 before 1.0.2.94, R8500 before 1.0.2.94, WNDR3400v3 before 1.0.1.12, and WNR3500Lv2 before 1.2.0.40.
- Published
- Apr 22, 2020
- Updated
- Jun 16, 2026
- EPSS
- 0.3% · 19th percentile
- CWE
- CWE-522
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CNA vs NVD score
- NVD
- 7.8
- CNA · mitre
- 8.4
- 0.6 point gap
CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| netgear | d6220 firmware | cpe:2.3:o:netgear:d6220_firmware |
| netgear | d6220 | cpe:2.3:h:netgear:d6220 |
| netgear | d6400 firmware | cpe:2.3:o:netgear:d6400_firmware |
| netgear | d6400 | cpe:2.3:h:netgear:d6400 |
| netgear | d8500 firmware | cpe:2.3:o:netgear:d8500_firmware |
| netgear | d8500 | cpe:2.3:h:netgear:d8500 |
| netgear | dgn2200 firmware | cpe:2.3:o:netgear:dgn2200_firmware |
| netgear | dgn2200 | cpe:2.3:h:netgear:dgn2200 |
| netgear | dgn2200b firmware | cpe:2.3:o:netgear:dgn2200b_firmware |
| netgear | dgn2200b | cpe:2.3:h:netgear:dgn2200b |
| netgear | r6300 firmware | cpe:2.3:o:netgear:r6300_firmware |
| netgear | r6300 | cpe:2.3:h:netgear:r6300 |
and 24 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- netgear d6220 firmwarebefore 1.0.0.28
- netgear d6400 firmwarebefore 1.0.0.60
- netgear d8500 firmwarebefore 1.0.3.29
- netgear dgn2200 firmwarebefore 1.0.0.82
- netgear dgn2200b firmwarebefore 1.0.0.82
- netgear r6300 firmwarebefore 1.0.4.8
- netgear r6400 firmwarebefore 1.0.1.20
- netgear r6700 firmwarebefore 1.0.1.20
- netgear r6900 firmwarebefore 1.0.1.20
- netgear r7000 firmwarebefore 1.0.7.10
- netgear r7100lg firmwarebefore 1.0.0.32
- netgear r7300dst firmwarebefore 1.0.0.52
- netgear r7900 firmwarebefore 1.0.1.16
- netgear r8000 firmwarebefore 1.0.3.36
- netgear r8300 firmwarebefore 1.0.2.94
- netgear r8500 firmwarebefore 1.0.2.94
- netgear wndr3400 firmwarebefore 1.0.1.12
- netgear wnr3500l firmwarebefore 1.2.0.40
Same product
netgear: all recordsOther highest-scoring records for the same primary product.
- CVE-2016-6277NETGEAR R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before 1.0.1.14.Beta, R6900, R7000 before 1.0.7.6.Beta, R7100LG before KEV95Now
- CVE-2021-45638Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.39Monitor
- CVE-2021-45610Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.39Monitor
- CVE-2021-38516Certain NETGEAR devices are affected by lack of access control at the function level.39Monitor
- CVE-2023-33533Netgear D6220 with Firmware Version 1.0.0.80, D8500 with Firmware Version 1.0.3.60, R6700 with Firmware Version 1.0.2.26, and R6900 with Fir36Monitor
- CVE-2021-45531NETGEAR D6220 devices before 1.0.0.76 are affected by command injection by an authenticated user.35Monitor
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.
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 researchersFinders, 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.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-522 · Insufficiently Protected CredentialsCVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Attack patterns (CAPEC)
- Session SidejackingCAPEC-102likelihood: High · High
- Signature Spoofing by Key TheftCAPEC-474likelihood: Medium · High
- Password Recovery ExploitationCAPEC-50likelihood: Medium · High
- KerberoastingCAPEC-509High
- Modify Existing ServiceCAPEC-551
- Remote Services with Stolen CredentialsCAPEC-555Very High
- Use of Known Domain CredentialsCAPEC-560likelihood: High · High
- Windows Admin Shares with Stolen CredentialsCAPEC-561
ATT&CK techniques
- Remote ServicesT1021
- Remote Services:SMB/Windows Admin SharesT1021.002
- Valid AccountsT1078
- Brute Force:Credential StuffingT1110.004
- Email Collection:Remote Email CollectionT1114.002
- External Remote ServicesT1133
- Create or Modify System ProcessT1543
- Use Alternate Authentication Material:Pass The HashT1550.002
- Use Alternate Authentication Material:Pass The TicketT1550.003
- Unsecured Credentials: Private KeysT1552.004
- Steal or Forge Kerberos TicketsT1558
- Steal or Forge Kerberos Tickets:KerberoastingT1558.003
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.