How severe is CVE-2022-29322?

CVE-2022-29322 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-2022-29322 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29322?

CVE-2022-29322 affects Dlink Dir-816 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-29322?

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-2022-29322 published?

CVE-2022-29322 was published on 2022-05-10 and last updated on 2026-06-17.

CVE-2022-29322

CVE-2022-29322 is a critical-severity vulnerability in Dlink Dir-816 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Dlink Dir-816 Firmware
Published: 2022-05-10
Last modified: 2026-06-17

Description

D-Link DIR-816 A2_v1.10CNB04 was discovered to contain a stack overflow via the IPADDR and nvmacaddr parameters in /goform/form2Dhcpip.

Frequently asked questions

What is CVE-2022-29322?: D-Link DIR-816 A2_v1.10CNB04 was discovered to contain a stack overflow via the IPADDR and nvmacaddr parameters in /goform/form2Dhcpip.
How severe is CVE-2022-29322?: CVE-2022-29322 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-2022-29322 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29322?: CVE-2022-29322 affects Dlink Dir-816 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-29322?: 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-2022-29322 published?: CVE-2022-29322 was published on 2022-05-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-816_firmware:1.10cnb04:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-816 Firmware

CVE-2026-4184 — Critical (CVSS 9.8): A vulnerability was detected in D-Link DIR-816 1.10CNB05. Affected by this vulnerability is an unknown functionality of…
CVE-2026-4183 — Critical (CVSS 9.8): A security vulnerability has been detected in D-Link DIR-816 1.10CNB05. Affected is an unknown function of the file…
CVE-2026-4182 — Critical (CVSS 9.8): A weakness has been identified in D-Link DIR-816 1.10CNB05. This impacts an unknown function of the file…
CVE-2026-4181 — Critical (CVSS 9.8): A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file…
CVE-2025-45931 — Critical (CVSS 9.8): An issue D-Link DIR-816-A2 DIR-816A2_FWv1.10CNB05_R1B011D88210 allows a remote attacker to execute arbitrary code via…
CVE-2025-5630 — Critical (CVSS 9.8): A vulnerability has been found in D-Link DIR-816 1.10CNB05 and classified as critical. This vulnerability affects…

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