CVE-2021-29296 — HIGH (7.5)

Vulnerability Description

Null Pointer Dereference vulnerability in D-Link DIR-825 2.10b02, which could let a remote malicious user cause a denial of service. The vulnerability could be triggered by sending an HTTP request with URL /vct_wan; the sbin/httpd would invoke the strchr function and take NULL as a first argument, which finally leads to the segmentation fault. NOTE: The DIR-825 and all hardware revisions is 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	Dir-825 Firmware	2.10b02
Dlink	Dir-825	-

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-2021-29296?

CVE-2021-29296 is a vulnerability with a CVSS score of 7.5 (HIGH). Null Pointer Dereference vulnerability in D-Link DIR-825 2.10b02, which could let a remote malicious user cause a denial of service. The vulnerability could be triggered by sending an HTTP request wit...

How severe is CVE-2021-29296?

CVE-2021-29296 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-2021-29296?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-825 Firmware, Dlink Dir-825.