Dir 456U Firmware
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cpe:2.3:o:dlink:dir-456u_firmware:*:*:*:*:*:*:*:*
part: o version: * update: *
| Vendor | Dlink (b610c9ff-f722-5d9d-a6df-9bee7f4d4b44) |
|---|---|
| Product | Dir 456U Firmware (94c20ba8-b857-50cd-b63b-44b4bd6f8a24) |
| Edition | * |
| Language | * |
| Software edition | * |
| Target software | * |
| Target hardware | * |
| Other | * |
| Notes | Imported from gcve-enriched-dumps CVE data |
PURL mappings
| PURL | Source | Last updated |
|---|---|---|
| No PURL mappings for this CPE yet. | ||
Vulnerability references
| Identifier | cpeApplicability | Submitted | db.gcve.eu details | Rationale |
|---|---|---|---|---|
CVE:CVE-2026-42376 |
vulnerable | 2026-06-08 08:03:16.267843 |
D-Link DIR-456U A1 Hardcoded Telnet Backdoor Credentials
CRITICAL (9.8)
D-Link DIR-456U Hardware Revision A1 (End-of-Life, EOL) contains a hardcoded telnet backdoor. The device starts a telnet daemon at boot via /etc/init0.d/S80telnetd.sh with the username "Alphanetworks" and the static password "whdrv01_dlob_dir456U" read from /etc/config/image_sign. The custom telnetd binary accepts a -u user:password flag, and the custom login binary uses strcmp() to validate credentials. Successful authentication grants an unauthenticated attacker on the local network a root shell with full administrative control. The device has reached End-of-Life (EOL) and will not receive patches.
Published: 2026-05-04T16:03:59.473Z
Updated: 2026-05-04T16:32:10.149Z |
Imported from gcve-enriched-dumps CVE data |
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