High severity · published Aug 10, 2021
CVE-2021-29294
Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized…
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized function. It could be triggered by sending crafted POST request to /HNAP1/. NOTE: The DSL-2740R and all hardware revisions are considered End of Life and as such this issue will not be patched
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dsl-2740r Firmware · Dlink
uk_1.01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29294
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29294
Vendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213
Vendor Advisory
https://www.dlink.com/en/security-bulletin/
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