CVE-2021-28838 — HIGH (7.5)

Q: How severe is CVE-2021-28838?

CVE-2021-28838 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-28838?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dap-2310 Firmware, Dlink Dap-2310, Dlink Dap-2330 Firmware, Dlink Dap-2330, Dlink Dap-2360 Firmware.

Vulnerability Description

Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi' operation when a specific network package are sent to the httpd binary.

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	Dap-2310 Firmware	<= 2.10rc039
Dlink	Dap-2310	-
Dlink	Dap-2330 Firmware	< 1.10rc036
Dlink	Dap-2330	-
Dlink	Dap-2360 Firmware	<= 2.10rc055
Dlink	Dap-2360	-
Dlink	Dap-2553 Firmware	< 3.10rc039
Dlink	Dap-2553	-
Dlink	Dap-2660 Firmware	<= 1.15rc131b
Dlink	Dap-2660	-
Dlink	Dap-2690 Firmware	< 3.20rc115
Dlink	Dap-2690	-
Dlink	Dap-2695 Firmware	<= 1.20rc093
Dlink	Dap-2695	-
Dlink	Dap-3320 Firmware	< 1.05rc027
Dlink	Dap-3320	-
Dlink	Dap-3662 Firmware	< 1.05rc069
Dlink	Dap-3662	-

Related Weaknesses (CWE)

CWE-476

References

https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdfExploitThird Party Advisory
https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdfThird Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory
https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdfExploitThird Party Advisory
https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdfThird Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

FAQ

What is CVE-2021-28838?

CVE-2021-28838 is a vulnerability with a CVSS score of 7.5 (HIGH). Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC...

How severe is CVE-2021-28838?

CVE-2021-28838 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-2021-28838?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dap-2310 Firmware, Dlink Dap-2310, Dlink Dap-2330 Firmware, Dlink Dap-2330, Dlink Dap-2360 Firmware.