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CVE-2022-43654

NETGEAR CAX30S SSO Command Injection Remote Code Execution Vulnerability

HIGH
8.8
CVSS Score
Published: May 7, 2024 at 10:54 PM UTC
Updated: June 17, 2026 at 05:07 AM UTC
4 products affected across 1 vendorCAX30 FirmwareCAX30S FirmwareCax30

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

NETGEAR CAX30S SSO Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR CAX30S routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the token parameter provided to the sso.php endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18227.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CAX30 Firmware· NETGEAR
95%
v < 2.1.3.102.1.3.10
Affected range stops below 2.1.3.10, so it looks safe — our inference, not a vendor statement
CAX30S Firmware· NETGEAR
95%
v < 2.1.3.101.4.10.82.1.3.10
Affected range stops below 2.1.3.10, so it looks safe — our inference, not a vendor statement
Cax30· NETGEARdevice
80%
All versions
Cax30S· NETGEARdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://kb.netgear.com/000065527/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Cable-Modem-Routers-PSV-2022-0208
x_research-advisoryThird Party Advisory
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-23-214/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHzdi
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78

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