ZyXEL NBG-418N v2 1.00(AARP.13)C0 CLI Command buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in ZyXEL NBG-418N v2. This vulnerability affects unknown code of the component CLI Command Handler. The manipulation results in buffer overflow. This vulnerability is reported as CVE-2023-22924. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in ZyXEL NBG-418N v2 (Router Operating System). Affected is an unknown functionality of the component CLI Command Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability. CVE summarizes:
A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.
The weakness was disclosed 05/02/2023. The advisory is available at zyxel.com. This vulnerability is traded as CVE-2023-22924 since 01/10/2023. The technical details are unknown and an exploit is not available.
Upgrading to version 1.00(AARP.14)C0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-27026). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.zyxel.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.8
VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 4.9
CNA Vector (Zyxel Corporation): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: NBG-418N v2 1.00(AARP.14)C0
Timeline
01/10/2023 🔍05/02/2023 🔍
05/02/2023 🔍
10/05/2025 🔍
Sources
Vendor: zyxel.comAdvisory: zyxel.com
Status: Confirmed
CVE: CVE-2023-22924 (🔍)
GCVE (CVE): GCVE-0-2023-22924
GCVE (VulDB): GCVE-100-227802
EUVD: 🔍
Entry
Created: 05/02/2023 06:54Updated: 10/05/2025 13:14
Changes: 05/02/2023 06:54 (50), 10/05/2025 13:14 (17)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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