How severe is CVE-2022-28573?

CVE-2022-28573 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-2022-28573 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28573?

CVE-2022-28573 affects Dlink Dir-823 Pro Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28573?

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-2022-28573 published?

CVE-2022-28573 was published on 2022-05-02 and last updated on 2026-06-17.

CVE-2022-28573

CVE-2022-28573 is a critical-severity vulnerability in Dlink Dir-823 Pro Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 28% places it in the 98th percentile, indicating an elevated likelihood of exploitation. 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: 28% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Dlink Dir-823 Pro Firmware
Published: 2022-05-02
Last modified: 2026-06-17

Description

D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetNTPserverSeting. This vulnerability allows attackers to execute arbitrary commands via the system_time_timezone parameter.

Frequently asked questions

What is CVE-2022-28573?: D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetNTPserverSeting. This vulnerability allows attackers to execute arbitrary commands via the system_time_timezone parameter.
How severe is CVE-2022-28573?: CVE-2022-28573 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-2022-28573 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28573?: CVE-2022-28573 affects Dlink Dir-823 Pro Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28573?: 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-2022-28573 published?: CVE-2022-28573 was published on 2022-05-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-823_pro_firmware:1.0.2:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-823 Pro Firmware

CVE-2021-46457 — Critical (CVSS 9.8): D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function…
CVE-2021-46456 — Critical (CVSS 9.8): D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function…
CVE-2021-46455 — Critical (CVSS 9.8): D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function…
CVE-2021-46454 — Critical (CVSS 9.8): D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function…
CVE-2021-46453 — Critical (CVSS 9.8): D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function…
CVE-2021-46452 — Critical (CVSS 9.8): D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function…

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