CVE-2021-29294 — HIGH (7.5)

Vulnerability 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 Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dlink	Dsl-2740R Firmware	uk_1.01
Dlink	Dsl-2740R	-

Related Weaknesses (CWE)

CWE-476

References

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

FAQ

What is CVE-2021-29294?

CVE-2021-29294 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 trigge...

How severe is CVE-2021-29294?

CVE-2021-29294 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-29294?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dsl-2740R Firmware, Dlink Dsl-2740R.