Cyber Resilience

CVE-2022-27647

High

Published: 29 March 2023

Published
29 March 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0011 28.3th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-27647 is a high-severity OS Command Injection (CWE-78) vulnerability in Netgear R6400 Firmware. Its CVSS base score is 8.0 (High).

Operationally, ranked at the 28.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of…

more

the name or email field provided to libreadycloud.so. 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-15874.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

netgear
cax80 firmware
≤ 2.1.3.7
netgear
lax20 firmware
≤ 1.1.6.34
netgear
mr60 firmware
≤ 1.1.6.124
netgear
mr80 firmware
≤ 1.1.6.14
netgear
ms60 firmware
≤ 1.1.6.124
netgear
ms80 firmware
≤ 1.1.6.14
netgear
r6400 firmware
≤ 1.0.1.78 · ≤ 1.0.4.126
netgear
r6700 firmware
≤ 1.0.4.126
netgear
r6900p firmware
≤ 1.3.3.148
netgear
r7000 firmware
≤ 1.0.11.134
+23 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References