Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter Use of Hard-coded Credentials
Priority MEDIUM 49CWE-798Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-798.
Summary
Jinan USR IOT Technology Limited (PUSR) USR-W610 RS232/485 to Wi-Fi/Ethernet Converter device firmware contains plaintext administrative credentials embedded in the firmware image. These credentials can be extracted through firmware analysis and used to authenticate to device services.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00415 36th 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
- Yes
- 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 |
|---|---|---|---|---|---|
| Jinan USR IOT Technology Limited (PUSR) | USR-W610 RS232/485 to Wi-Fi/Ethernet Converter | 7.03T.07 | — | No fix listed | CNA |
- USR-W610 RS232/485 to Wi-Fi/Ethernet Converter VendorJinan USR IOT Technology Limited (PUSR) Affected 7.03T.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-2026-7786
- 2026-10-03 Alias added: GHSA-79x3-xvpv-235q
References
More Jinan USR IOT Technology Limited (PUSR) vulnerabilities
- TI-2026-20787 Jinan USR IOT Technology Limited (PUSR) USR-W610 Weak Password Requirements CVSS 3.1CRITICAL 9.8
- TI-2026-21053 Jinan USR IOT Technology Limited (PUSR) USR-W610 Missing Authentication for Critical Function CVSS 3.1HIGH 7.5
- TI-2026-19716 Jinan USR IOT Technology Limited (PUSR) USR-W610 Cleartext Transmission of Sensitive Information CVSS 3.1HIGH 7.5
- TI-2026-21054 Jinan USR IOT Technology Limited (PUSR) USR-W610 Insufficiently Protected Credentials CVSS 3.1MEDIUM 5.7
Sources
- CVE-2026-7786 · CVE Program
- CVE-2026-7786 · NVD
- FIRST EPSS
- GHSA-79x3-xvpv-235q · GitHub Advisory Database · CC BY 4.0
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