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% (85th 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% (85th 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% (85th 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-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

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