Cyber Resilience

CVE-2022-30023

HighPublic PoCRCE

Published: 16 June 2022

Published
16 June 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.2625 96.4th percentile
Risk Priority 33 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-30023 is a high-severity OS Command Injection (CWE-78) vulnerability in Tenda Hg9 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 3.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

Tenda ONT GPON AC1200 Dual band WiFi HG9 version 1.0.1 contains a command injection vulnerability (CWE-78) in its Ping function. The flaw received a CVSS 3.1 score of 8.8 with network attack vector, low complexity, and low privileges required, allowing an authenticated remote attacker to execute arbitrary commands on the device.

An attacker with valid credentials can supply crafted input to the Ping feature over the network and obtain command execution. Successful exploitation grants full control over confidentiality, integrity, and availability of the affected ONT, consistent with the high impact metrics in the CVSS vector.

Public references consist primarily of vendor sites and a GitHub repository containing proof-of-concept code for CVE-2022-30023; no vendor advisory or patch information is included. The EPSS score reached a peak of 0.3735 after disclosure before settling at the current value of 0.2625, indicating measurable post-publication exploitation interest.

EU & UK References

Vulnerability details

Tenda ONT GPON AC1200 Dual band WiFi HG9 v1.0.1 is vulnerable to Command Injection via the Ping function.

CWE(s)

Related Threats

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

Affected Assets

tenda
hg9 firmware
1.0.1

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