How severe is CVE-2022-30105?

CVE-2022-30105 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-30105 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-30105?

CVE-2022-30105 affects Belkin N300 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-30105?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-30105 published?

CVE-2022-30105 was published on 2022-05-18 and last updated on 2026-06-17.

CVE-2022-30105

CVE-2022-30105 is a critical-severity vulnerability in Belkin N300 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Belkin N300 Firmware
Published: 2022-05-18
Last modified: 2026-06-17

Description

In Belkin N300 Firmware 1.00.08, the script located at /setting_hidden.asp, which is accessible before and after configuring the device, exhibits multiple remote command injection vulnerabilities. The following parameters in the [form name] form; [list vulnerable parameters], are not properly sanitized after being submitted to the web interface in a POST request. With specially crafted parameters, it is possible to inject a an OS command which will be executed with root privileges, as the web interface, and all processes on the device, run as root.

Frequently asked questions

What is CVE-2022-30105?: In Belkin N300 Firmware 1.00.08, the script located at /setting_hidden.asp, which is accessible before and after configuring the device, exhibits multiple remote command injection vulnerabilities. The following parameters in the [form name] form; [list vulnerable parameters], are not properly sanitized after being submitted to the web interface in a POST request. With specially crafted parameters, it is possible to inject a an OS command which will be executed with root privileges, as the web interface, and all processes on the device, run as root.
How severe is CVE-2022-30105?: CVE-2022-30105 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-30105 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-30105?: CVE-2022-30105 affects Belkin N300 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-30105?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-30105 published?: CVE-2022-30105 was published on 2022-05-18 and last updated on 2026-06-17.

References

https://www.exploitee.rs/index.php/Belkin_N300#Remote_Root

Affected products (1)

cpe:2.3:o:belkin:n300_firmware:1.00.08:*:*:*:*:*:*:*

More vulnerabilities in Belkin N300 Firmware

CVE-2013-3091 — Critical (CVSS 9.8): An Authentication Bypass vulnerability in Belkin N300 (F7D7301v1) router allows remote attackers to bypass…
CVE-2013-3092 — High (CVSS 8.3): The Belkin N300 (F7D7301v1) router allows remote attackers to bypass authentication and gain privileges via vectors…
CVE-2013-3089 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in apply.cgi in Belkin N300 (F7D7301v1) router allows remote attackers…

All CVEs affecting Belkin N300 Firmware →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-19188 — Critical (CVSS 10.0): A critical OS command injection vulnerability has been identified in the Haiwell IoT Cloud HMI Gateway product. The…
CVE-2026-48362 — Critical (CVSS 10.0): ColdFusion is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')…
CVE-2026-16812 — Critical (CVSS 10.0): VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access…
CVE-2026-6516 — Critical (CVSS 10.0): Zohocorp ManageEngine ADAudit Plus versions before 8606 are affected by Unauthenticated Remote code execution due to…
CVE-2026-46339 — Critical (CVSS 10.0): 9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect…
CVE-2026-59726 — Critical (CVSS 10.0): Ruflo is an agent meta-harness for Claude Code and Codex. Prior to 3.16.3, ruflo's default docker-compose deployment…

Browse all CWE-78 (OS Command Injection) vulnerabilities →