Cyber Resilience

CVE-2022-36429

HighPublic PoC

Published: 21 March 2023

Published
21 March 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0050 66.4th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-36429 is a high-severity Hidden Functionality (CWE-912) vulnerability in Netgear Rbs750 Firmware. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 33.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A command execution vulnerability exists in the ubus backend communications functionality of Netgear Orbi Satellite RBS750 4.6.8.5. A specially-crafted JSON object can lead to arbitrary command execution. An attacker can send a sequence of malicious packets to trigger this vulnerability.

CWE(s)

Related Threats

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

Affected Assets

netgear
rbs750 firmware
4.6.8.5

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-912

Documenting every system component at the required granularity and reviewing the inventory detects or prevents hidden functionality from remaining undetected.

addresses: CWE-912

Recovery eliminates hidden functionality or backdoors introduced during compromise.

addresses: CWE-912

Policy requires supplier transparency and testing to detect hidden functionality or backdoors inserted in the supply chain.

addresses: CWE-912

Screening high-risk technical positions lowers the probability that hidden functionality or backdoors will be added by authorized personnel.

addresses: CWE-912

Hunting identifies hidden functionality used for persistence or evasion after initial compromise.

addresses: CWE-912

TSCM surveys discover and eliminate hidden surveillance functionality that would otherwise remain undetected in the environment.

addresses: CWE-912

Change control, approval gates, and flaw tracking force hidden functionality to be either documented or discovered and removed.

addresses: CWE-912

Vetting and integrity controls during acquisition reduce the likelihood of hidden backdoors or malicious functionality introduced by suppliers.

References