Netgear D7800/R6100/R7500/R7500v2/R7800/R9000/WNDR4300 stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Netgear D7800, R6100, R7500, R7500v2, R7800, R9000 and WNDR4300. This issue affects some unknown processing. The manipulation results in stack-based overflow. This vulnerability was named CVE-2018-21199. The attack needs to be approached within the local network. There is no available exploit. Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as critical, was found in Netgear D7800, R6100, R7500, R7500v2, R7800, R9000 and WNDR4300 (Wireless LAN Software). Affected is an unknown code block. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.30, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, and WNDR4300 before 1.0.2.98.
The weakness was presented 04/28/2020 (Website). The advisory is shared for download at kb.netgear.com. This vulnerability is traded as CVE-2018-21199 since 04/20/2020. Access to the local network is required for this attack. The requirement for exploitation is a authentication. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
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Product
Type
Vendor
Name
License
Website
- Vendor: https://www.netgear.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.8
NVD Vector: 🔍
CNA Base Score: 6.8
CNA Vector (MITRE): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
04/20/2020 🔍04/28/2020 🔍
04/29/2020 🔍
06/03/2024 🔍
Sources
Vendor: netgear.comAdvisory: kb.netgear.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-21199 (🔍)
GCVE (CVE): GCVE-0-2018-21199
GCVE (VulDB): GCVE-100-154488
Entry
Created: 04/29/2020 07:38Updated: 06/03/2024 15:07
Changes: 04/29/2020 07:38 (36), 04/29/2020 07:43 (12), 10/13/2020 20:34 (1), 10/13/2020 20:46 (1), 06/03/2024 15:07 (33)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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