Certain NetModule devices have Insecure Password Handling (cleartext or reversible…
Priority LOW 35CWE-522Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-522.
Summary
Certain NetModule devices have Insecure Password Handling (cleartext or reversible encryption), These models with firmware before 4.3.0.113, 4.4.0.111, and 4.5.0.105 are affected: NB800, NB1600, NB1601, NB1800, NB1810, NB2700, NB2710, NB2800, NB2810, NB3700, NB3701, NB3710, NB3711, NB3720, and NB3800.
Why it matters now
EPSS 0.01078 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:netmodule:netmodule_router_software:*:*:*:*:*:*:*:* | before 4.3.0.113; 4.4.0.0 to before 4.4.0.111; 4.5.0.0 to before 4.5.0.105 | Vulnerable | NetModule |
| cpe:2.3:h:netmodule:nb1600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb1601:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb1800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb1810:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb2700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb2710:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb2800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb2810:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb3700:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
- cpe:2.3:a:netmodule:netmodule_router_software:*:*:*:*:*:*:*:* Versions before 4.3.0.113; 4.4.0.0 to before 4.4.0.111; 4.5.0.0 to before 4.5.0.105 Vulnerable ·NetModule
- cpe:2.3:h:netmodule:nb1600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb1601:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb1800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb1810:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb2700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb2710:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb2800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb2810:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb3700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:netmodule:nb3701:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb3710:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb3711:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb3720:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb3800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
| cpe:2.3:h:netmodule:nb800:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NetModule |
- cpe:2.3:h:netmodule:nb3701:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb3710:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb3711:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb3720:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb3800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
- cpe:2.3:h:netmodule:nb800:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetModule
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-39289
- 2026-10-03 Alias added: GHSA-55w8-xhrf-5797
References
Advisory 1
More Netmodule Router Software vulnerabilities
- TI-2023-00817 Path Traversal in NetModule NSRW CVSS 3.1HIGH 8.8
- TI-2023-00816 Authenticated Command Injection in NetModule NSRW CVSS 3.1HIGH 8.8
- TI-2023-24920 The web administration interface in NetModule Router Software (NRSW) 4.6 before 4.6.0.106… CVSS 3.1HIGH 8.4
- TI-2021-16665 Certain NetModule devices allow Limited Session Fixation via PHPSESSID. CVSS 3.1CRITICAL 9.8
- TI-2021-16666 Certain NetModule devices allow credentials via GET parameters to CLI-PHP. CVSS 3.1HIGH 8.8
Sources
- CVE-2021-39289 · CVE Program
- CVE-2021-39289 · NVD
- FIRST EPSS
- GHSA-55w8-xhrf-5797 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences