HOMEVULNERABILITIESCVE-2025-12942
HIGH

CVE-2025-12942

CWE-20Published: November 11, 2025· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2025-12942 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

netgear4 product(s)
r6260 firmwarer6260r6850 firmwarer6850
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://kb.netgear.com/000070355/NETGEAR-Security-Advisories-November-2025

All References (3)

→
https://kb.netgear.com/000070355/NETGEAR-Security-Advisories-November-2025Vendor Advisory
→
https://www.netgear.com/support/product/r6260Product
→
https://www.netgear.com/support/product/r6850Product

Quick Facts

CVE IDCVE-2025-12942
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedNov 11, 2025

Related CVEs (CWE-20)

CVE-2024-22476
10.0
CVE-2007-4915
10.0
CVE-2021-21321
10.0
CVE-2026-34910
KEV10.0
CVE-2021-23279
10.0
CVE-2011-1018
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-12942 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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