7.5

CVE-2021-28839

Exploit
Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330 1.07.RC028, DAP-2360 2.07.RC043, DAP-2553 3.06.RC027, DAP-2660 1.13.RC074, DAP-2690 3.16.RC100, DAP-2695 1.17.RC063, DAP-3320 1.01.RC014 and DAP-3662 1.01.RC022 in the upload_certificate function of sbin/httpd binary. When the binary handle the specific HTTP GET request, the strrchr in the upload_certificate function would take NULL as first argument, and incur the NULL pointer dereference vulnerability.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Dlink ≫ Dap-2310 Firmware Version 2.0.7.rc031
   Dlink ≫ Dap-2310 Version -
Dlink ≫ Dap-2330 Firmware Version 1.07.rc028
   Dlink ≫ Dap-2330 Version -
Dlink ≫ Dap-2360 Firmware Version 2.07.rc043
   Dlink ≫ Dap-2360 Version -
Dlink ≫ Dap-2553 Firmware Version 3.06.rc027
   Dlink ≫ Dap-2553 Version -
Dlink ≫ Dap-2660 Firmware Version 1.13.rc074
   Dlink ≫ Dap-2660 Version -
Dlink ≫ Dap-2690 Firmware Version 3.16.rc100
   Dlink ≫ Dap-2690 Version -
Dlink ≫ Dap-2695 Firmware Version 1.17.rc063
   Dlink ≫ Dap-2695 Version -
Dlink ≫ Dap-3320 Firmware Version 1.01.rc014
   Dlink ≫ Dap-3320 Version -
Dlink ≫ Dap-3662 Firmware Version 1.01.rc022
   Dlink ≫ Dap-3662 Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.38% 0.689
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

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