How severe is CVE-2022-28956?

CVE-2022-28956 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-2022-28956 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28956?

CVE-2022-28956 affects Dlink Dir-816l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28956?

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-2022-28956 published?

CVE-2022-28956 was published on 2022-05-18 and last updated on 2026-06-17.

CVE-2022-28956

CVE-2022-28956 is a critical-severity vulnerability in Dlink Dir-816l Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 22% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dlink Dir-816l Firmware
Published: 2022-05-18
Last modified: 2026-06-17

Description

An issue in the getcfg.php component of D-Link DIR816L_FW206b01 allows attackers to access the device via a crafted payload.

Frequently asked questions

What is CVE-2022-28956?: An issue in the getcfg.php component of D-Link DIR816L_FW206b01 allows attackers to access the device via a crafted payload.
How severe is CVE-2022-28956?: CVE-2022-28956 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-2022-28956 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28956?: CVE-2022-28956 affects Dlink Dir-816l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28956?: 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-2022-28956 published?: CVE-2022-28956 was published on 2022-05-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-816l_firmware:206b01:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-816l Firmware

CVE-2025-13188 — Critical (CVSS 9.8): A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Affected by this vulnerability is the function…
CVE-2020-15893 — Critical (CVSS 9.8): An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Universal Plug and Play (UPnP) is enabled…
CVE-2025-13191 — High (CVSS 8.8): A vulnerability was determined in D-Link DIR-816L 2_06_b09_beta. This issue affects the function soapcgi_main of the…
CVE-2025-13190 — High (CVSS 8.8): A vulnerability was found in D-Link DIR-816L 2_06_b09_beta. This vulnerability affects the function scandir_main of the…
CVE-2025-13189 — High (CVSS 8.8): A vulnerability has been found in D-Link DIR-816L 2_06_b09_beta. This affects the function genacgi_main of the file…
CVE-2022-28955 — High (CVSS 7.5): An access control issue in D-Link DIR816L_FW206b01 allows unauthenticated attackers to access folders folder_view.php…

All CVEs affecting Dlink Dir-816l Firmware →