High severity · published Nov 11, 2025
CVE-2025-12942
Improper input validation in NETGEAR R6260 and R6850
7.5
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
R6
R6260 · NETGEAR
through 1.1.0.86 · source: vendor
R6
R6850 · NETGEAR
through 1.1.0.86 · source: vendor
RF
R6260 Firmware · Netgear
before 1.1.0.86 · source: NVD
RF
R6850 Firmware · Netgear
before 1.1.0.86 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-12942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-12942
Vendor Advisory
https://kb.netgear.com/000070355/NETGEAR-Security-Advisories-November-2025
Product
https://www.netgear.com/support/product/r6260
Product
https://www.netgear.com/support/product/r6850