HOMEVULNERABILITIESCVE-2022-48196
CRITICAL

CVE-2022-48196

CWE-120Published: December 30, 2022· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects RAX40 before 1.0.2.60, RAX35 before 1.0.2.60, R6400v2 before 1.0.4.122, R6700v3 before 1.0.4.122, R6900P before 1.3.3.152, R7000P before 1.3.3.152, R7000 before 1.0.11.136, R7960P before 1.4.4.94, and R8000P before 1.4.4.94.

NVD Source

Technical Analysis

CVE-2022-48196 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 9.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

netgear18 product(s)
rax40 firmwarerax40rax35 firmwarerax35r6400v2 firmwarer6400v2r6700v3 firmwarer6700v3r6900p firmwarer6900pr7000p firmwarer7000p+6
Source: NVD CPE · 18 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

PATCHhttps://kb.netgear.com/000065495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0208
PATCHhttps://www.bleepingcomputer.com/news/security/netgear-warns-users-to-patch-recently-fixed-wifi-router-bug/
PATCHhttps://kb.netgear.com/000065495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0208
PATCHhttps://www.bleepingcomputer.com/news/security/netgear-warns-users-to-patch-recently-fixed-wifi-router-bug/

All References (4)

→
https://kb.netgear.com/000065495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0208Patch · Vendor Advisory
→
https://www.bleepingcomputer.com/news/security/netgear-warns-users-to-patch-recently-fixed-wifi-router-bug/Patch · Third Party Advisory
→
https://kb.netgear.com/000065495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0208Patch · Vendor Advisory
→
https://www.bleepingcomputer.com/news/security/netgear-warns-users-to-patch-recently-fixed-wifi-router-bug/Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2022-48196
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-120
CISA KEVNo
Affected1 vendor(s)
PublishedDec 30, 2022

Related CVEs (CWE-120)

CVE-2001-0554
10.0
CVE-1999-0046
10.0
CVE-2023-4260
10.0
CVE-2024-25139
10.0
CVE-2002-1337
10.0
CVE-1999-1237
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-48196 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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