Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D7800 before 1.0.1.30, EX2700 before 1.0.1.28, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, WN3100RPv2 before 1.0.0.56, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.
- Published
- Apr 28, 2020
- Updated
- Jun 16, 2026
- EPSS
- 0.7% · 52th percentile
- CWE
- CWE-787
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Report tools
Action score
35
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.7%
CNA vs NVD score
- NVD
- 8.8
- CNA · mitre
- 8.8
- agree
CVSS:3.0/AC:L/AV:A/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.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| netgear | d3600 firmware | cpe:2.3:o:netgear:d3600_firmware |
| netgear | d3600 | cpe:2.3:h:netgear:d3600 |
| netgear | d6000 firmware | cpe:2.3:o:netgear:d6000_firmware |
| netgear | d6000 | cpe:2.3:h:netgear:d6000 |
| netgear | d7800 firmware | cpe:2.3:o:netgear:d7800_firmware |
| netgear | d7800 | cpe:2.3:h:netgear:d7800 |
| netgear | ex2700 firmware | cpe:2.3:o:netgear:ex2700_firmware |
| netgear | ex2700 | cpe:2.3:h:netgear:ex2700 |
| netgear | r6100 firmware | cpe:2.3:o:netgear:r6100_firmware |
| netgear | r6100 | cpe:2.3:h:netgear:r6100 |
| netgear | r7500 firmware | cpe:2.3:o:netgear:r7500_firmware |
| netgear | r7500 | cpe:2.3:h:netgear:r7500 |
and 16 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- netgear d3600 firmwarebefore 1.0.0.67
- netgear d6000 firmwarebefore 1.0.0.67
- netgear d7800 firmwarebefore 1.0.1.30
- netgear ex2700 firmwarebefore 1.0.1.28
- netgear r6100 firmwarebefore 1.0.1.20
- netgear r7500 firmwarebefore 1.0.0.118
- netgear r7500 firmwarebefore 1.0.3.24
- netgear r7800 firmwarebefore 1.0.2.40
- netgear r900 firmwarebefore 1.0.2.52
- netgear wn2000rpt firmwarebefore 1.0.1.20
- netgear wn3000rp firmwarebefore 1.0.2.50
- netgear wn3100rp firmwarebefore 1.0.0.56
- netgear wndr3700 firmwarebefore 1.0.2.96
- netgear wndr4300 firmwarebefore 1.0.2.98
- netgear wndr4300 firmwarebefore 1.0.0.50
- netgear wndr4500 firmwarebefore 1.0.0.50
Same product
netgear: all recordsOther highest-scoring records for the same primary product.
- CVE-2020-35799Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.39Monitor
- CVE-2018-21137Certain NETGEAR devices are affected by a hardcoded password.39Monitor
- CVE-2019-20730Certain NETGEAR devices are affected by SQL injection.39Monitor
- CVE-2017-18762Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.36Monitor
- CVE-2021-45641Certain NETGEAR devices are affected by incorrect configuration of security settings.35Monitor
- CVE-2018-21224Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.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 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
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Adjacent
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-787 · Out-of-bounds WriteCVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/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.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; 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 helpChange 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.