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D-Link

D-Link DNR-322L Download of Code Without Integrity Check Vulnerability

CVE-2022-40799

What this means

This is rated high severity (8.8 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Dlink Dnr 322l Firmware and Dlink Dnr 322l are in your estate, and treat that as the priority.

Full vendor description

Data Integrity Failure in 'Backup Config' in D-Link DNR-322L <= 2.60B15 allows an authenticated attacker to execute OS level commands on the device.

Scoring and exploitation

8.8/ 10
CVSS 3.1 base scoreHigh

Exploitable over the network with a low-privilege account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability

Longer bar: easier to attack

Attack vectorNetworkAV:N
Attack complexityLowAC:L
Privileges requiredLowPR:L
User interactionNoneUI:N
ScopeUnchangedS:U

Impact

Longer bar: more harm

ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
Elevated attack likelihood (~33.7% in 30 days)Model estimate (): a probability signal, not confirmed exploitation
Exploited in the wild
Yes — confirmed exploitation (US CISA )
Not reported
Listed product
D-Link DNR-322L

Weaknesses

CWE-494

Affected products ()

  • Dlink Dnr 322l Firmware
  • Dlink Dnr 322l
Show the raw CPE strings (2)
  • cpe:2.3:o:dlink:dnr-322l_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:h:dlink:dnr-322l:-:*:*:*:*:*:*:*

References

4 links from the CVE record, grouped by site.