How severe is CVE-2022-34973?

CVE-2022-34973 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-34973 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34973?

CVE-2022-34973 affects Dlink Dir-820l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34973?

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-2022-34973 published?

CVE-2022-34973 was published on 2022-08-03 and last updated on 2026-06-17.

CVE-2022-34973

CVE-2022-34973 is a high-severity vulnerability in Dlink Dir-820l Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Dlink Dir-820l Firmware
Published: 2022-08-03
Last modified: 2026-06-17

Description

D-Link DIR820LA1_FW106B02 was discovered to contain a buffer overflow via the nextPage parameter at ping.ccp.

Frequently asked questions

What is CVE-2022-34973?: D-Link DIR820LA1_FW106B02 was discovered to contain a buffer overflow via the nextPage parameter at ping.ccp.
How severe is CVE-2022-34973?: CVE-2022-34973 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-34973 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34973?: CVE-2022-34973 affects Dlink Dir-820l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34973?: 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-2022-34973 published?: CVE-2022-34973 was published on 2022-08-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dlink:dir-820l_firmware:1.06b02:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dir-820l Firmware

CVE-2024-48150 — Critical (CVSS 9.8): D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the sub_451208 function.
CVE-2023-44809 — Critical (CVSS 9.8): D-Link device DIR-820L 1.05B03 is vulnerable to Insecure Permissions.
CVE-2023-44808 — Critical (CVSS 9.8): D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the sub_4507CC function.
CVE-2023-44807 — Critical (CVSS 9.8): D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the cancelPing function.
CVE-2023-25280 — Critical (CVSS 9.8): OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a…
CVE-2023-25279 — Critical (CVSS 9.8): OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a…

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