CVE-2021-33259

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Summary

CVECVE-2021-33259
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-10-31 19:15:09 UTC
Updated2026-07-09 01:16:54 UTC
DescriptionSeveral web interfaces in D-Link DIR-868LW 1.12b have no authentication requirements for access, allowing for attackers to obtain users' DNS query history.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

EPSS: 0.017180000 probability, percentile 0.747740000 (date 2026-07-12)

Problem Types: CWE-306 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System D-link Dir-868lw Firmware 1.12b All All All
Hardware Dlink Dir-868lw - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
uai-poc/webaccess_UAI.md at main · jayus0821/uai-poc · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Third Party Advisory
Security Bulletin | D-Link af854a3a-2127-422b-91ae-364da2661108 www.dlink.com Not Applicable
d-link.com MITRE d-link.com
dir-868lw.com MITRE dir-868lw.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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