CVE-2021-39289

HIGH

7.5

CVSS Score

Published: August 23, 2021 at 04:33 AM UTC

Updated: June 17, 2026 at 04:03 AM UTC

16 products affected across 1 vendorNetmodule Router SoftwareNb3701Nb2810

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Netmodule Router Software · Netmodule

95%

v < 4.3.0.1134.4.0.0 ≤ v < 4.4.0.1114.5.0.0 ≤ v < 4.5.0.105

Affected range stops below 4.3.0.113, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.4.0.111, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.5.0.105, so it looks safe — our inference, not a vendor statement

netmodule-nb1600 (environment) · netmodule-nb1601 (environment) · netmodule-nb1800 (environment) · netmodule-nb1810 (environment) · netmodule-nb2700 (environment) · netmodule-nb2710 (environment) · netmodule-nb2800 (environment) · netmodule-nb2810 (environment) · netmodule-nb3700 (environment) · netmodule-nb3701 (environment) · netmodule-nb3710 (environment) · netmodule-nb3711 (environment) · netmodule-nb3720 (environment) · netmodule-nb3800 (environment) · netmodule-nb800 (environment)

Nb1600 · Netmoduledevice

80%

All versions

Nb1601 · Netmoduledevice

80%

All versions

Nb1800 · Netmoduledevice

80%

All versions

Nb1810 · Netmoduledevice

80%

All versions