Critical severity9.8NVD Advisory· Published Nov 11, 2019· Updated Jun 17, 2026
CVE-2019-18852
CVE-2019-18852
Description
Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
15- cpe:2.3:o:dlink:dir-600_b1_firmware:2.01:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-615_j1_firmware:100:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-645_a1_firmware:1.03:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-815_a1_firmware:1.01:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-823_a1_firmware:1.01:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-842_c1_firmware:3.00:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dir-890l_a1_firmware:1.03:*:*:*:*:*:*:*
- D-Link/DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00description
Patches
Vulnerability mechanics
References
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