D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_42AF30(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
Catching NullPointerException should not be used as an alternative to programmatic checks to prevent dereferencing a null pointer.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Dir-823g_firmware | Dlink | 1.0.2b05 (including) | 1.0.2b05 (including) |
Programmers typically catch NullPointerException under three circumstances:
Of these three circumstances, only the last is acceptable.