How severe is CVE-2022-30078?

CVE-2022-30078 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-30078 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-30078?

CVE-2022-30078 primarily affects Netgear R6200 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-30078?

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

When was CVE-2022-30078 published?

CVE-2022-30078 was published on 2022-09-07 and last updated on 2026-07-09.

CVE-2022-30078

CVE-2022-30078 is a high-severity vulnerability in Netgear R6200 Firmware with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Netgear R6200 Firmware
Published: 2022-09-07
Last modified: 2026-07-09

Description

NETGEAR R6200_V2 firmware versions through R6200v2-V1.0.3.12_10.1.11 and R6300_V2 firmware versions through R6300v2-V1.0.4.52_10.0.93 allow remote authenticated attackers to execute arbitrary command via shell metacharacters in the ipv6_fix.cgi ipv6_wan_ipaddr, ipv6_lan_ipaddr, ipv6_wan_length, or ipv6_lan_length parameters.

Frequently asked questions

What is CVE-2022-30078?: NETGEAR R6200_V2 firmware versions through R6200v2-V1.0.3.12_10.1.11 and R6300_V2 firmware versions through R6300v2-V1.0.4.52_10.0.93 allow remote authenticated attackers to execute arbitrary command via shell metacharacters in the ipv6_fix.cgi ipv6_wan_ipaddr, ipv6_lan_ipaddr, ipv6_wan_length, or ipv6_lan_length parameters.
How severe is CVE-2022-30078?: CVE-2022-30078 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-30078 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-30078?: CVE-2022-30078 primarily affects Netgear R6200 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-30078?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-30078 published?: CVE-2022-30078 was published on 2022-09-07 and last updated on 2026-07-09.

References

Affected products (2)

cpe:2.3:o:netgear:r6200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6300_firmware:*:*:*:*:*:*:*:*

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