Insufficient input validation in NETGEAR Orbi routers
An insufficient input validation vulnerability in NETGEAR Orbi routers allows attackers connected to the router's LAN to execute OS command injections.
- Published
- Jan 13, 2026
- Updated
- Jun 17, 2026
- EPSS
- 0.3% · 24th percentile
- CWE
- CWE-20
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Report tools
Action score
4
Monitor
Low priority for now.
- CVSS
- 4 / 40 · 1.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · NETGEAR
- 1.1
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
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 | rbe971 firmware | cpe:2.3:o:netgear:rbe971_firmware |
| netgear | rbe971 | cpe:2.3:h:netgear:rbe971 |
| netgear | rbe970 firmware | cpe:2.3:o:netgear:rbe970_firmware |
| netgear | rbe970 | cpe:2.3:h:netgear:rbe970 |
| netgear | rbr750 firmware | cpe:2.3:o:netgear:rbr750_firmware |
| netgear | rbr750 | cpe:2.3:h:netgear:rbr750 |
| netgear | rbr850 firmware | cpe:2.3:o:netgear:rbr850_firmware |
| netgear | rbr850 | cpe:2.3:h:netgear:rbr850 |
| netgear | rbr860 firmware | cpe:2.3:o:netgear:rbr860_firmware |
| netgear | rbr860 | cpe:2.3:h:netgear:rbr860 |
| netgear | rbs750 firmware | cpe:2.3:o:netgear:rbs750_firmware |
| netgear | rbs750 | cpe:2.3:h:netgear:rbs750 |
and 8 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- netgear rbe970 firmwarebefore 9.10.0.2
- netgear rbe971 firmwarebefore 9.10.0.2
- netgear rbr750 firmwarebefore 7.2.8.5
- netgear rbr850 firmwarebefore 7.2.8.5
- netgear rbr860 firmwarebefore 7.2.8.5
- netgear rbre960 firmwarebefore 7.2.8.5
- netgear rbs750 firmwarebefore 7.2.8.5
- netgear rbs850 firmwarebefore 7.2.8.5
- netgear rbs860 firmwarebefore 7.2.8.5
- netgear rbse960 firmwarebefore 7.2.8.5
Versions reported by the vendor
Affected version ranges reported by the assigning authority (NETGEAR). Independent of NVD's CPE analysis and usually ahead of it.
NETGEAR RBE970
- before v9.10.0.2affected
NETGEAR RBE971
- before v9.10.0.2affected
NETGEAR RBR750
- up to and including 4.6.14.3affected
NETGEAR RBR850
- before V7.2.8.5affected
NETGEAR RBR860
- before v7.2.8.5affected
NETGEAR RBRE960
- before v7.2.7.15affected
NETGEAR RBS750
- up to and including 4.6.14.3affected
NETGEAR RBS850
- before V7.2.8.5affected
NETGEAR RBS860
- before v7.2.8.5affected
NETGEAR RBSE960
- before v7.2.7.15affected
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.
- fxc233finder
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
- Integrity
- Availability
- Attack vector
- Adjacent
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- X
Weakness class (CWE)
CWE-20 · Improper Input ValidationCVSS vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber
nvd-secondary
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
- Cross Zone ScriptingCAPEC-104likelihood: Medium · High
- Command Line Execution through SQL InjectionCAPEC-108likelihood: Low · Very High
- Object Relational Mapping InjectionCAPEC-109likelihood: Low · High
- SQL Injection through SOAP Parameter TamperingCAPEC-110likelihood: High · Very High
- Double EncodingCAPEC-120likelihood: Low · Medium
- Subverting Environment Variable ValuesCAPEC-13likelihood: High · Very High
ATT&CK techniques
- Obfuscated Files or InformationT1027
- Masquerading: Invalid Code SignatureT1036.001
- Steal Web Session CookieT1539
- Subvert Trust Controls: Code SigningT1553.002
- Impair Defenses:Impair Command History LoggingT1562.003
- Hijack Execution Flow:Dynamic Linker HijackingT1574.006
- Hijack Execution Flow:Path Interception by PATH Environment VariableT1574.007
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- kb.netgear.com/000070442/January-2026-NETGEAR-Security-Advisory
- www.netgear.com/support/product/rbe970
- www.netgear.com/support/product/rbe971
- www.netgear.com/support/product/rbr750
- www.netgear.com/support/product/rbr850
- www.netgear.com/support/product/rbr860
- www.netgear.com/support/product/rbre960
- www.netgear.com/support/product/rbs750
- www.netgear.com/support/product/rbs850
- www.netgear.com/support/product/rbs860
- www.netgear.com/support/product/rbse960
Vendor advisories and official records. Exploit/PoC links are deliberately left out.