How severe is CVE-2019-9122?

CVE-2019-9122 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-2019-9122 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9122?

CVE-2019-9122 affects Dlink Dir-825 Rev.b Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9122?

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-2019-9122 published?

CVE-2019-9122 was published on 2019-02-25 and last updated on 2026-06-17.

CVE-2019-9122

CVE-2019-9122 is a high-severity vulnerability in Dlink Dir-825 Rev.b Firmware with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 24% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dlink Dir-825 Rev.b Firmware
Published: 2019-02-25
Last modified: 2026-06-17

Description

An issue was discovered on D-Link DIR-825 Rev.B 2.10 devices. They allow remote attackers to execute arbitrary commands via the ntp_server parameter in an ntp_sync.cgi POST request.

Frequently asked questions

What is CVE-2019-9122?: An issue was discovered on D-Link DIR-825 Rev.B 2.10 devices. They allow remote attackers to execute arbitrary commands via the ntp_server parameter in an ntp_sync.cgi POST request.
How severe is CVE-2019-9122?: CVE-2019-9122 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-2019-9122 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9122?: CVE-2019-9122 affects Dlink Dir-825 Rev.b Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9122?: 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-2019-9122 published?: CVE-2019-9122 was published on 2019-02-25 and last updated on 2026-06-17.

References

https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-825/command%20injection.md

Affected products (1)

cpe:2.3:o:dlink:dir-825_rev.b_firmware:2.10:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-825 Rev.b Firmware

CVE-2019-9123 — Critical (CVSS 9.8): An issue was discovered on D-Link DIR-825 Rev.B 2.10 devices. The "user" account has a blank password.
CVE-2019-9126 — High (CVSS 7.5): An issue was discovered on D-Link DIR-825 Rev.B 2.10 devices. There is an information disclosure vulnerability via…

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