Cyber Resilience

CVE-2022-45768

HighPublic PoCRCE

Published: 07 February 2023

Published
07 February 2023
Modified
25 March 2025
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 0.0384 88.5th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-45768 is a high-severity OS Command Injection (CWE-78) vulnerability in Edimax Br-6428Ns Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 11.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

CVE-2022-45768 is a command injection vulnerability, tracked as CWE-78, that affects Edimax Technology Co., Ltd. Wireless Router N300 Firmware version BR428nS v3. The flaw resides in the formWlanMP function and carries a CVSS 3.1 score of 8.8, reflecting network attack vector, low attack complexity, and low required privileges.

An authenticated remote attacker can supply crafted input to the affected function and achieve arbitrary code execution on the device, resulting in full compromise of confidentiality, integrity, and availability.

The EPSS score for this CVE rose from lower values to a peak of 0.1054 on 2026-02-09 before receding to the current 0.0384, indicating a period of increased exploitation interest after public disclosure. Public references consist of technical write-ups and proof-of-concept material rather than vendor advisories.

EU & UK References

Vulnerability details

Command Injection vulnerability in Edimax Technology Co., Ltd. Wireless Router N300 Firmware BR428nS v3 allows attacker to execute arbitrary code via the formWlanMP function.

CWE(s)

Related Threats

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

Affected Assets

edimax
br-6428ns firmware
1.20

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