CVE-2020-5635
Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker on the adjacent network to...
Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker on the adjacent network to send a specially crafted request to a specific URL, which may result in an arbitrary command execution.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker on the adjacent network to send a specially crafted request to a specific URL, which may result in an arbitrary command execution.
- Record
CVE-2020-5635- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.8 Medium
AV:A/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker on the adjacent network to send a specially crafted request to a specific URL, which may result in an arbitrary command execution.
- Record
CVE-2020-5635- Updated
- 2026-11-02
EUVDEUVD-2020-26796 No score
Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker on the adjacent network to send a specially crafted request to a specific URL, which may result in an arbitrary command execution.
- Record
EUVD-2020-26796- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fxv5-3xrg-jgx5 No score
Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker on the adjacent network to...
Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker on the adjacent network to send a specially crafted request to a specific URL, which may result in an arbitrary command execution.
- Record
GHSA-fxv5-3xrg-jgx5- Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5635 is a high vulnerability (CVSS 8.8) in Nec Corporation Aterm Sa3500g, published December 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. No source names a fixed version.