Hard-coded credentials in PLANEX COMMUNICATIONS INC. MZK-DP300N
Priority LOW 39CWE-798Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-798.
Summary
Use of Hard-Coded Credentials issue exists in MZK-DP300N version 1.07 and earlier, which may allow an attacker within the local network to log in to the affected device via Telnet and execute arbitrary commands.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00272 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| PLANEX COMMUNICATIONS INC. | MZK-DP300N | up to 1.07 | — | No fix listed | CNA |
- MZK-DP300N VendorPLANEX COMMUNICATIONS INC. Affected up to 1.07 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-62777
- 2026-10-03 Alias added: GHSA-423r-r42q-j5mc
More PLANEX COMMUNICATIONS INC. vulnerabilities
- TI-2013-05137 The web interface on D-Link DIR-100, DIR-120, DI-624S, DI-524UP, DI-604S, DI-604UP… CVSS 2.0HIGH 10.0
- TI-2017-09302 An issue was discovered on PLANEX CS-W50HD devices with firmware before 030720. CVSS 3.0CRITICAL 9.8
- TI-2017-09305 An issue was discovered on the PLANEX CS-QR20 1.30. CVSS 3.0CRITICAL 9.8
- TI-2021-03324 PLANEX CS-QP50F-ING2 Smart Camera Remote Configuration Disclosure CVSS 4.0HIGH 8.7
- TI-2017-09301 An issue was discovered on PLANEX CS-W50HD devices with firmware before 030720. CVSS 3.0HIGH 8.8
- TI-2024-19966 Command injection in PLANEX COMMUNICATIONS INC. MZK-MF300N CVSS 3.1HIGH 8.8
Sources
- CVE-2025-62777 · CVE Program
- CVE-2025-62777 · NVD
- FIRST EPSS
- GHSA-423r-r42q-j5mc · GitHub Advisory Database · CC BY 4.0
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