CVE-2022-34746
5.9
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability: 2.2 / Impact: 3.6
Source: NVD
Description
An insufficient entropy vulnerability caused by the improper use of randomness sources with low entropy for RSA key pair generation was found in Zyxel GS1900 series firmware versions prior to V2.70. This vulnerability could allow an unauthenticated attacker to retrieve a private key by factoring the RSA modulus N in the certificate of the web administration interface.
Affected (10)
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(aahh.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 8 | All versions |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(aahi.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 8hp | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(aazi.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 10hp | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(aahj.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 16 | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(aahl.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 24 | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(aahk.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 24e | All versions |
Configuration G
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(abto.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 24ep | All versions |
Configuration H
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(abtp.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 24hpv2 | All versions |
Configuration I
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(aahn.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 48 | All versions |
Configuration J
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.70\(abtq.3\)c0 |
| Running on/with | Platform Versions |
|---|---|
Zyxel Gs1900 48hpv2 | All versions |
References (2)
Source: security@zyxel.com.tw
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Timeline
No history available yet.