CVE-2021-28838

moderate-risk
Published 2021-08-10

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.

Do I need to act?

~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (14)

Dap-2310 Firmware
Dap-2330 Firmware
Dap-2330 Firmware
Dap-2360 Firmware
Dap-2553 Firmware
Dap-2553 Firmware
Dap-2690 Firmware
Dap-2690 Firmware
Dap-2695 Firmware
Dap-3320 Firmware
Dap-3320 Firmware
Dap-3662 Firmware
Dap-3662 Firmware

Affected Vendors

Dlink

References (6)

Exploit https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf
Third Party Advisory https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf
Vendor Advisory https://www.dlink.com/en/security-bulletin/
Exploit https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf
Third Party Advisory https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf
Vendor Advisory https://www.dlink.com/en/security-bulletin/
47
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 18/34 · Moderate