Certain NETGEAR devices are affected by denial of service.
Certain NETGEAR devices are affected by denial of service. This affects R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.
- Published
- Apr 23, 2020
- Updated
- Jun 16, 2026
- EPSS
- 1.1% · 65th percentile
- CWE
- —
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Report tools
Action score
19
Monitor
Low priority for now.
- CVSS
- 19 / 40 · 4.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.1%
CNA vs NVD score
- NVD
- 4.9
- CNA · mitre
- 4.5
- 0.4 point gap
CVSS:3.0/AC:L/AV:A/A:H/C:N/I:N/PR:H/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 | 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 |
| netgear | r7800 firmware | cpe:2.3:o:netgear:r7800_firmware |
| netgear | r7800 | cpe:2.3:h:netgear:r7800 |
| netgear | r8900 firmware | cpe:2.3:o:netgear:r8900_firmware |
| netgear | r8900 | cpe:2.3:h:netgear:r8900 |
| netgear | r9000 firmware | cpe:2.3:o:netgear:r9000_firmware |
| netgear | r9000 | cpe:2.3:h:netgear:r9000 |
| netgear | wndr3700 firmware | cpe:2.3:o:netgear:wndr3700_firmware |
| netgear | wndr3700 | cpe:2.3:h:netgear:wndr3700 |
and 6 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- netgear r6100 firmwarebefore 1.0.1.22
- netgear r7500 firmwarebefore 1.0.0.122
- netgear r7800 firmwarebefore 1.0.2.42
- netgear r8900 firmwarebefore 1.0.3.10
- netgear r9000 firmwarebefore 1.0.3.10
- netgear wndr3700 firmwarebefore 1.0.2.96
- netgear wndr4300 firmwarebefore 1.0.2.98
- netgear wndr4300 firmwarebefore 1.0.0.54
- netgear wndr4500 firmwarebefore 1.0.0.54
- netgear wnr2000 firmwarebefore 1.0.0.64
Same product
netgear: all recordsOther highest-scoring records for the same primary product.
- CVE-2025-29044Buffer Overflow vulnerability in Netgear- R61 router V1.0.1.28 allows a remote attacker to execute arbitrary code via the QUERY_STRING key v39Monitor
- CVE-2018-21217Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.35Monitor
- CVE-2018-21216Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.35Monitor
- CVE-2018-21203Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.35Monitor
- CVE-2017-18731Certain NETGEAR devices are affected by incorrect configuration of security settings.35Monitor
- CVE-2017-18775Certain NETGEAR devices are affected by CSRF.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
- Anyone who can reach it over the internet can trigger it.
- Administrator privileges are required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/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.