Improper validation of integrity check value vulnerability in Aterm SA3500G firmware…
Priority LOW 30CWE-354Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper validation of integrity check value vulnerability in Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker with an administrative privilege to execute a malicious program.
Why it matters now
EPSS 0.00376 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NEC Corporation | Aterm SA3500G | firmware versions prior to Ver. 3.5.9 | — | No fix listed | CNA |
- Aterm SA3500G VendorNEC Corporation Affected firmware versions prior to Ver. 3.5.9 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:necplatforms:aterm_sa3500g_firmware:*:*:*:*:*:*:*:* | before 3.5.9 | Vulnerable | NEC Platforms, Ltd. |
| cpe:2.3:h:necplatforms:aterm_sa3500g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Platforms, Ltd. |
- cpe:2.3:o:necplatforms:aterm_sa3500g_firmware:*:*:*:*:*:*:*:* Versions before 3.5.9 Vulnerable ·NEC Platforms, Ltd.
- cpe:2.3:h:necplatforms:aterm_sa3500g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Platforms, Ltd.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5637
- 2026-10-03 Alias added: GHSA-446c-h2fq-7hw2
References
More NEC Corporation vulnerabilities
- TI-1999-00042 Command execution via shell metachars in INN daemon (innd) 1.5 using "newgroup" and… CVSS 3.1CRITICAL 9.8
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- TI-1999-00009 Inverse query buffer overflow in BIND 4.9 and BIND 8 Releases. CVSS 2.0HIGH 10.0
- TI-2018-08402 NEC Univerge Sv9100 WebPro 6.00.00 devices have Predictable Session IDs that result in… CVSS 3.1CRITICAL 9.8
- TI-2018-08403 NEC Univerge Sv9100 WebPro 6.00.00 devices have Cleartext Password Storage in the Web UI. CVSS 3.1CRITICAL 9.8
- TI-1999-00205 rpc.ypupdated (NIS) allows remote users to execute arbitrary commands. CVSS 2.0HIGH 10.0
Sources
- CVE-2020-5637 · CVE Program
- CVE-2020-5637 · NVD
- FIRST EPSS
- GHSA-446c-h2fq-7hw2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences