Certain NETGEAR devices are affected by command injection by an authenticated user.
Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, D8500 before 1.0.3.39, R6400 before 1.0.1.14, R6400v2 before 1.0.2.32, R6700 before 1.0.1.22, R6900 before 1.0.1.22, R7000 before 1.0.9.4, R7100LG before 1.0.0.32, R7300 before 1.0.0.56, R7800 before 1.0.2.36, R7900 before 1.0.2.10, R8000 before 1.0.3.24, R8300 before 1.0.2.74, and R8500 before 1.0.2.74.
- Published
- Apr 22, 2020
- Updated
- Jun 16, 2026
- EPSS
- 0.9% · 57th percentile
- CWE
- CWE-74
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Report tools
Action score
27
Monitor
Low priority for now.
- CVSS
- 27 / 40 · 6.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.9%
CNA vs NVD score
- NVD
- 6.8
- CNA · mitre
- 6.8
- agree
CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/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 | d7800 firmware | cpe:2.3:o:netgear:d7800_firmware |
| netgear | d7800 | cpe:2.3:h:netgear:d7800 |
| netgear | d8500 firmware | cpe:2.3:o:netgear:d8500_firmware |
| netgear | d8500 | cpe:2.3:h:netgear:d8500 |
| netgear | r6400 firmware | cpe:2.3:o:netgear:r6400_firmware |
| netgear | r6400 | cpe:2.3:h:netgear:r6400 |
| netgear | r6700 firmware | cpe:2.3:o:netgear:r6700_firmware |
| netgear | r6700 | cpe:2.3:h:netgear:r6700 |
| netgear | r6900 firmware | cpe:2.3:o:netgear:r6900_firmware |
| netgear | r6900 | cpe:2.3:h:netgear:r6900 |
| netgear | r7000 firmware | cpe:2.3:o:netgear:r7000_firmware |
| netgear | r7000 | cpe:2.3:h:netgear:r7000 |
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 d7800 firmwarebefore 1.0.1.34
- netgear d8500 firmwarebefore 1.0.3.39
- netgear r6400 firmwarebefore 1.0.1.14
- netgear r6400 firmwarebefore 1.0.2.32
- netgear r6700 firmwarebefore 1.0.1.22
- netgear r6900 firmwarebefore 1.0.1.22
- netgear r7000 firmwarebefore 1.0.9.4
- netgear r7100lg firmwarebefore 1.0.0.32
- netgear r7300 firmwarebefore 1.0.0.56
- netgear r7800 firmwarebefore 1.0.2.36
- netgear r7900 firmwarebefore 1.0.2.10
- netgear r8000 firmwarebefore 1.0.3.24
- netgear r8300 firmwarebefore 1.0.2.74
- netgear r8500 firmwarebefore 1.0.2.74
Same product
netgear: all recordsOther highest-scoring records for the same primary product.
- CVE-2021-45618Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.40Plan
- CVE-2021-45608Certain D-Link, Edimax, NETGEAR, TP-Link, Tenda, and Western Digital devices are affected by an integer overflow by an unauthenticated attac40Plan
- CVE-2021-45658Certain NETGEAR devices are affected by server-side injection.39Monitor
- CVE-2021-38529Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.39Monitor
- CVE-2018-21153Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.39Monitor
- CVE-2018-21161Certain NETGEAR devices are affected by incorrect configuration of security settings.39Monitor
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.
- Administrator privileges are 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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/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)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Server Side Include (SSI) InjectionCAPEC-101likelihood: High · High
- HTTP Request SplittingCAPEC-105likelihood: Medium · High
- Command Line Execution through SQL InjectionCAPEC-108likelihood: Low · Very High
- Double EncodingCAPEC-120likelihood: Low · Medium
- Subverting Environment Variable ValuesCAPEC-13likelihood: High · Very High
- Format String InjectionCAPEC-135likelihood: High · High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
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.