Netgear R6260/R6850 up to 1.1.0.86 improper authentication

Summaryinfo

A vulnerability labeled as critical has been found in Netgear R6260 and R6850 up to 1.1.0.86. Affected is an unknown function. Such manipulation leads to improper authentication. This vulnerability is referenced as CVE-2025-12942. The attack needs to be initiated within the local network. No exploit is available.

Detailsinfo

A vulnerability was found in Netgear R6260 and R6850 up to 1.1.0.86 and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper Input Validation vulnerability in NETGEAR R6260 and NETGEAR R6850 allows unauthenticated attackers connected to LAN with ability to perform MiTM attacks and control over DNS Server to perform command execution.This issue affects R6260: through 1.1.0.86; R6850: through 1.1.0.86.

The weakness was published by dcmtruman. The advisory is shared for download at netgear.com. This vulnerability is handled as CVE-2025-12942 since 11/10/2025. The exploitation is known to be difficult. The attack needs to be done within the local network. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/08/2025).

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-93461). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Wireless LAN Software

Vendor

• Netgear

Name

• R6260
• R6850

Version

• 1.1.0.0
• 1.1.0.1
• 1.1.0.2
• 1.1.0.3
• 1.1.0.4
• 1.1.0.5
• 1.1.0.6
• 1.1.0.7
• 1.1.0.8
• 1.1.0.9
• 1.1.0.10
• 1.1.0.11
• 1.1.0.12
• 1.1.0.13
• 1.1.0.14
• 1.1.0.15
• 1.1.0.16
• 1.1.0.17
• 1.1.0.18
• 1.1.0.19
• 1.1.0.20
• 1.1.0.21
• 1.1.0.22
• 1.1.0.23
• 1.1.0.24
• 1.1.0.25
• 1.1.0.26
• 1.1.0.27
• 1.1.0.28
• 1.1.0.29
• 1.1.0.30
• 1.1.0.31
• 1.1.0.32
• 1.1.0.33
• 1.1.0.34
• 1.1.0.35
• 1.1.0.36
• 1.1.0.37
• 1.1.0.38
• 1.1.0.39
• 1.1.0.40
• 1.1.0.41
• 1.1.0.42
• 1.1.0.43
• 1.1.0.44
• 1.1.0.45
• 1.1.0.46
• 1.1.0.47
• 1.1.0.48
• 1.1.0.49
• 1.1.0.50
• 1.1.0.51
• 1.1.0.52
• 1.1.0.53
• 1.1.0.54
• 1.1.0.55
• 1.1.0.56
• 1.1.0.57
• 1.1.0.58
• 1.1.0.59
• 1.1.0.60
• 1.1.0.61
• 1.1.0.62
• 1.1.0.63
• 1.1.0.64
• 1.1.0.65
• 1.1.0.66
• 1.1.0.67
• 1.1.0.68
• 1.1.0.69
• 1.1.0.70
• 1.1.0.71
• 1.1.0.72
• 1.1.0.73
• 1.1.0.74
• 1.1.0.75
• 1.1.0.76
• 1.1.0.77
• 1.1.0.78
• 1.1.0.79
• 1.1.0.80
• 1.1.0.81
• 1.1.0.82
• 1.1.0.83
• 1.1.0.84
• 1.1.0.85
• 1.1.0.86

License

• commercial

Website

• Vendor: https://www.netgear.com/

CPE 2.3info

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