Netgear RBS860 up to 4.6.14.3 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$5k-$25k0.00

Summaryinfo

A vulnerability was found in Netgear RBR750, RBS750, RBRE960, RBSE960, RBR850, RBS850, RBE971, RBE970, RBR860 and RBS860 up to 4.6.14.3 and classified as critical. This affects an unknown function. The manipulation results in input validation. This vulnerability is reported as CVE-2026-0403. The attacker must have access to the local network to execute the attack. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Netgear RBR750, RBS750, RBRE960, RBSE960, RBR850, RBS850, RBE971, RBE970, RBR860 and RBS860 up to 4.6.14.3. Affected is an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An insufficient input validation vulnerability in NETGEAR Orbi routers allows attackers connected to the router's LAN to execute OS command injections.

The weakness was disclosed by fxc233. The advisory is available at netgear.com. This vulnerability is traded as CVE-2026-0403 since 12/03/2025. The exploitability is told to be easy. The attack needs to be initiated within the local network. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/21/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.4
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.0
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/03/2025 CVE reserved
01/13/2026 +41 days Advisory disclosed
01/13/2026 +0 days VulDB entry created
02/21/2026 +39 days VulDB entry last update

Sourcesinfo

Vendor: netgear.com

Advisory: netgear.com
Researcher: fxc233
Status: Confirmed

CVE: CVE-2026-0403 (🔒)
GCVE (CVE): GCVE-0-2026-0403
GCVE (VulDB): GCVE-100-340722

Entryinfo

Created: 01/13/2026 18:12
Updated: 02/21/2026 08:56
Changes: 01/13/2026 18:12 (71), 01/16/2026 04:38 (1), 02/21/2026 08:56 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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