What is CVE-2022-34973?

CVE-2022-34973 is a high-severity vulnerability in Dlink Dir-820l, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-08-03.

How severe is CVE-2022-34973?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-34973 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Dlink Dir-820l

CVE-2022-34973

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

Vulnerability class: Buffer Overflow

EPSS: 0.148 (96.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Dlink Dir-820l — versions a1
Dlink Dir-820l_firmware — versions 1.06b02
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Broken Link)

Frequently asked questions

What is CVE-2022-34973?: CVE-2022-34973 is a high-severity vulnerability in Dlink Dir-820l, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-08-03.
How severe is CVE-2022-34973?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-34973 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.